Merge branch 'master' of git://www.denx.de/git/u-boot-fdt

4 files changed, 73 insertions, 538 deletions

diff --git a/common/Makefile b/common/Makefile
index b425795..4287108 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -119,7 +119,6 @@ COBJS-y += env_nowhere.o
 COBJS-y += exports.o
 COBJS-y += flash.o
 COBJS-y += fpga.o
-COBJS-y += ft_build.o
 COBJS-y += hush.o
 COBJS-y += kgdb.o
 COBJS-y += lcd.o
diff --git a/common/cmd_fdt.c b/common/cmd_fdt.c
index ede65ae..97b9dd7 100644
--- a/common/cmd_fdt.c
+++ b/common/cmd_fdt.c
@@ -46,6 +46,11 @@ static int fdt_parse_prop(char **newval, int count, char *data, int *len);
 static int fdt_print(const char *pathp, char *prop, int depth);
 
 /*
+ * The working_fdt points to our working flattened device tree.
+ */
+struct fdt_header *working_fdt;
+
+/*
  * Flattened Device Tree command, see the help for parameter definitions.
  */
 int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
@@ -62,7 +67,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 		/*
 		 * Set the address [and length] of the fdt.
 		 */
-		fdt = (struct fdt_header *)simple_strtoul(argv[2], NULL, 16);
+		working_fdt = (struct fdt_header *)simple_strtoul(argv[2], NULL, 16);
 
 		if (!fdt_valid()) {
 			return 1;
@@ -75,15 +80,15 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 			 * Optional new length
 			 */
 			len = simple_strtoul(argv[3], NULL, 16);
-			if (len < fdt_totalsize(fdt)) {
+			if (len < fdt_totalsize(working_fdt)) {
 				printf ("New length %d < existing length %d, "
 					"ignoring.\n",
-					len, fdt_totalsize(fdt));
+					len, fdt_totalsize(working_fdt));
 			} else {
 				/*
 				 * Open in place with a new length.
 				 */
-				err = fdt_open_into(fdt, fdt, len);
+				err = fdt_open_into(working_fdt, working_fdt, len);
 				if (err != 0) {
 					printf ("libfdt fdt_open_into(): %s\n",
 						fdt_strerror(err));
@@ -92,9 +97,9 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 		}
 
 	/********************************************************************
-	 * Move the fdt
+	 * Move the working_fdt
 	 ********************************************************************/
-	} else if ((argv[1][0] == 'm') && (argv[1][1] == 'o')) {
+	} else if (strncmp(argv[1], "mo", 2) == 0) {
 		struct fdt_header *newaddr;
 		int  len;
 		int  err;
@@ -107,7 +112,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 		/*
 		 * Set the address and length of the fdt.
 		 */
-		fdt = (struct fdt_header *)simple_strtoul(argv[2], NULL, 16);
+		working_fdt = (struct fdt_header *)simple_strtoul(argv[2], NULL, 16);
 		if (!fdt_valid()) {
 			return 1;
 		}
@@ -119,13 +124,13 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 		 * current length.
 		 */
 		if (argc <= 4) {
-			len = fdt_totalsize(fdt);
+			len = fdt_totalsize(working_fdt);
 		} else {
 			len = simple_strtoul(argv[4], NULL, 16);
-			if (len < fdt_totalsize(fdt)) {
+			if (len < fdt_totalsize(working_fdt)) {
 				printf ("New length 0x%X < existing length "
 					"0x%X, aborting.\n",
-					len, fdt_totalsize(fdt));
+					len, fdt_totalsize(working_fdt));
 				return 1;
 			}
 		}
@@ -133,18 +138,18 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 		/*
 		 * Copy to the new location.
 		 */
-		err = fdt_open_into(fdt, newaddr, len);
+		err = fdt_open_into(working_fdt, newaddr, len);
 		if (err != 0) {
 			printf ("libfdt fdt_open_into(): %s\n",
 				fdt_strerror(err));
 			return 1;
 		}
-		fdt = newaddr;
+		working_fdt = newaddr;
 
 	/********************************************************************
 	 * Make a new node
 	 ********************************************************************/
-	} else if ((argv[1][0] == 'm') && (argv[1][1] == 'k')) {
+	} else if (strncmp(argv[1], "mk", 2) == 0) {
 		char *pathp;		/* path */
 		char *nodep;		/* new node to add */
 		int  nodeoffset;	/* node offset from libfdt */
@@ -161,7 +166,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 		pathp = argv[2];
 		nodep = argv[3];
 
-		nodeoffset = fdt_path_offset (fdt, pathp);
+		nodeoffset = fdt_path_offset (working_fdt, pathp);
 		if (nodeoffset < 0) {
 			/*
 			 * Not found or something else bad happened.
@@ -170,7 +175,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 				fdt_strerror(nodeoffset));
 			return 1;
 		}
-		err = fdt_add_subnode(fdt, nodeoffset, nodep);
+		err = fdt_add_subnode(working_fdt, nodeoffset, nodep);
 		if (err < 0) {
 			printf ("libfdt fdt_add_subnode(): %s\n",
 				fdt_strerror(err));
@@ -178,7 +183,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 		}
 
 	/********************************************************************
-	 * Set the value of a property in the fdt.
+	 * Set the value of a property in the working_fdt.
 	 ********************************************************************/
 	} else if (argv[1][0] == 's') {
 		char *pathp;		/* path */
@@ -206,7 +211,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 				return ret;
 		}
 
-		nodeoffset = fdt_path_offset (fdt, pathp);
+		nodeoffset = fdt_path_offset (working_fdt, pathp);
 		if (nodeoffset < 0) {
 			/*
 			 * Not found or something else bad happened.
@@ -216,7 +221,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 			return 1;
 		}
 
-		ret = fdt_setprop(fdt, nodeoffset, prop, data, len);
+		ret = fdt_setprop(working_fdt, nodeoffset, prop, data, len);
 		if (ret < 0) {
 			printf ("libfdt fdt_setprop(): %s\n", fdt_strerror(ret));
 			return 1;
@@ -259,7 +264,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 	/********************************************************************
 	 * Remove a property/node
 	 ********************************************************************/
-	} else if ((argv[1][0] == 'r') && (argv[1][1] == 'm')) {
+	} else if (strncmp(argv[1], "rm", 2) == 0) {
 		int  nodeoffset;	/* node offset from libfdt */
 		int  err;
 
@@ -267,7 +272,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 		 * Get the path.  The root node is an oddball, the offset
 		 * is zero and has no name.
 		 */
-		nodeoffset = fdt_path_offset (fdt, argv[2]);
+		nodeoffset = fdt_path_offset (working_fdt, argv[2]);
 		if (nodeoffset < 0) {
 			/*
 			 * Not found or something else bad happened.
@@ -281,14 +286,14 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 		 * otherwise delete the node.
 		 */
 		if (argc > 3) {
-			err = fdt_delprop(fdt, nodeoffset, argv[3]);
+			err = fdt_delprop(working_fdt, nodeoffset, argv[3]);
 			if (err < 0) {
 				printf("libfdt fdt_delprop():  %s\n",
 					fdt_strerror(err));
 				return err;
 			}
 		} else {
-			err = fdt_del_node(fdt, nodeoffset);
+			err = fdt_del_node(working_fdt, nodeoffset);
 			if (err < 0) {
 				printf("libfdt fdt_del_node():  %s\n",
 					fdt_strerror(err));
@@ -300,38 +305,43 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 	 * Display header info
 	 ********************************************************************/
 	} else if (argv[1][0] == 'h') {
-		u32 version = fdt_version(fdt);
-		printf("magic:\t\t\t0x%x\n", fdt_magic(fdt));
-		printf("totalsize:\t\t0x%x (%d)\n", fdt_totalsize(fdt), fdt_totalsize(fdt));
-		printf("off_dt_struct:\t\t0x%x\n", fdt_off_dt_struct(fdt));
-		printf("off_dt_strings:\t\t0x%x\n", fdt_off_dt_strings(fdt));
-		printf("off_mem_rsvmap:\t\t0x%x\n", fdt_off_mem_rsvmap(fdt));
+		u32 version = fdt_version(working_fdt);
+		printf("magic:\t\t\t0x%x\n", fdt_magic(working_fdt));
+		printf("totalsize:\t\t0x%x (%d)\n", fdt_totalsize(working_fdt),
+		       fdt_totalsize(working_fdt));
+		printf("off_dt_struct:\t\t0x%x\n",
+		       fdt_off_dt_struct(working_fdt));
+		printf("off_dt_strings:\t\t0x%x\n",
+		       fdt_off_dt_strings(working_fdt));
+		printf("off_mem_rsvmap:\t\t0x%x\n",
+		       fdt_off_mem_rsvmap(working_fdt));
 		printf("version:\t\t%d\n", version);
-		printf("last_comp_version:\t%d\n", fdt_last_comp_version(fdt));
+		printf("last_comp_version:\t%d\n",
+		       fdt_last_comp_version(working_fdt));
 		if (version >= 2)
 			printf("boot_cpuid_phys:\t0x%x\n",
-				fdt_boot_cpuid_phys(fdt));
+				fdt_boot_cpuid_phys(working_fdt));
 		if (version >= 3)
 			printf("size_dt_strings:\t0x%x\n",
-				fdt_size_dt_strings(fdt));
+				fdt_size_dt_strings(working_fdt));
 		if (version >= 17)
 			printf("size_dt_struct:\t\t0x%x\n",
-				fdt_size_dt_struct(fdt));
-		printf("number mem_rsv:\t\t0x%x\n", fdt_num_mem_rsv(fdt));
+				fdt_size_dt_struct(working_fdt));
+		printf("number mem_rsv:\t\t0x%x\n",
+		       fdt_num_mem_rsv(working_fdt));
 		printf("\n");
 
 	/********************************************************************
 	 * Set boot cpu id
 	 ********************************************************************/
-	} else if ((argv[1][0] == 'b') && (argv[1][1] == 'o') &&
-		   (argv[1][2] == 'o')) {
+	} else if (strncmp(argv[1], "boo", 3) == 0) {
 		unsigned long tmp = simple_strtoul(argv[2], NULL, 16);
-		fdt_set_boot_cpuid_phys(fdt, tmp);
+		fdt_set_boot_cpuid_phys(working_fdt, tmp);
 
 	/********************************************************************
 	 * memory command
 	 ********************************************************************/
-	} else if ((argv[1][0] == 'm') && (argv[1][1] == 'e')) {
+	} else if (strncmp(argv[1], "me", 2) == 0) {
 		uint64_t addr, size;
 		int err;
 #ifdef CFG_64BIT_STRTOUL
@@ -341,23 +351,23 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 			addr = simple_strtoul(argv[2], NULL, 16);
 			size = simple_strtoul(argv[3], NULL, 16);
 #endif
-		err = fdt_fixup_memory(fdt, addr, size);
+		err = fdt_fixup_memory(working_fdt, addr, size);
 		if (err < 0)
 			return err;
 
 	/********************************************************************
 	 * mem reserve commands
 	 ********************************************************************/
-	} else if ((argv[1][0] == 'r') && (argv[1][1] == 's')) {
+	} else if (strncmp(argv[1], "rs", 2) == 0) {
 		if (argv[2][0] == 'p') {
 			uint64_t addr, size;
-			int total = fdt_num_mem_rsv(fdt);
+			int total = fdt_num_mem_rsv(working_fdt);
 			int j, err;
 			printf("index\t\t   start\t\t    size\n");
 			printf("-------------------------------"
 				"-----------------\n");
 			for (j = 0; j < total; j++) {
-				err = fdt_get_mem_rsv(fdt, j, &addr, &size);
+				err = fdt_get_mem_rsv(working_fdt, j, &addr, &size);
 				if (err < 0) {
 					printf("libfdt fdt_get_mem_rsv():  %s\n",
 							fdt_strerror(err));
@@ -379,7 +389,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 			addr = simple_strtoul(argv[3], NULL, 16);
 			size = simple_strtoul(argv[4], NULL, 16);
 #endif
-			err = fdt_add_mem_rsv(fdt, addr, size);
+			err = fdt_add_mem_rsv(working_fdt, addr, size);
 
 			if (err < 0) {
 				printf("libfdt fdt_add_mem_rsv():  %s\n",
@@ -388,7 +398,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 			}
 		} else if (argv[2][0] == 'd') {
 			unsigned long idx = simple_strtoul(argv[3], NULL, 16);
-			int err = fdt_del_mem_rsv(fdt, idx);
+			int err = fdt_del_mem_rsv(working_fdt, idx);
 
 			if (err < 0) {
 				printf("libfdt fdt_del_mem_rsv():  %s\n",
@@ -403,12 +413,12 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 	}
 #ifdef CONFIG_OF_BOARD_SETUP
 	/* Call the board-specific fixup routine */
-	else if (argv[1][0] == 'b')
-		ft_board_setup(fdt, gd->bd);
+	else if (strncmp(argv[1], "boa", 3) == 0)
+		ft_board_setup(working_fdt, gd->bd);
 #endif
 	/* Create a chosen node */
 	else if (argv[1][0] == 'c')
-		fdt_chosen(fdt, 0, 0, 1);
+		fdt_chosen(working_fdt, 0, 0, 1);
 	else {
 		/* Unrecognized command */
 		printf ("Usage:\n%s\n", cmdtp->usage);
@@ -424,12 +434,12 @@ static int fdt_valid(void)
 {
 	int  err;
 
-	if (fdt == NULL) {
+	if (working_fdt == NULL) {
 		printf ("The address of the fdt is invalid (NULL).\n");
 		return 0;
 	}
 
-	err = fdt_check_header(fdt);
+	err = fdt_check_header(working_fdt);
 	if (err == 0)
 		return 1;	/* valid */
 
@@ -439,17 +449,19 @@ static int fdt_valid(void)
 		 * Be more informative on bad version.
 		 */
 		if (err == -FDT_ERR_BADVERSION) {
-			if (fdt_version(fdt) < FDT_FIRST_SUPPORTED_VERSION) {
+			if (fdt_version(working_fdt) <
+			    FDT_FIRST_SUPPORTED_VERSION) {
 				printf (" - too old, fdt $d < %d",
-					fdt_version(fdt),
+					fdt_version(working_fdt),
 					FDT_FIRST_SUPPORTED_VERSION);
-				fdt = NULL;
+				working_fdt = NULL;
 			}
-			if (fdt_last_comp_version(fdt) > FDT_LAST_SUPPORTED_VERSION) {
+			if (fdt_last_comp_version(working_fdt) >
+			    FDT_LAST_SUPPORTED_VERSION) {
 				printf (" - too new, fdt $d > %d",
-					fdt_version(fdt),
+					fdt_version(working_fdt),
 					FDT_LAST_SUPPORTED_VERSION);
-				fdt = NULL;
+				working_fdt = NULL;
 			}
 			return 0;
 		}
@@ -645,7 +657,7 @@ static void print_data(const void *data, int len)
 /****************************************************************************/
 
 /*
- * Recursively print (a portion of) the fdt.  The depth parameter
+ * Recursively print (a portion of) the working_fdt.  The depth parameter
  * determines how deeply nested the fdt is printed.
  */
 static int fdt_print(const char *pathp, char *prop, int depth)
@@ -661,7 +673,7 @@ static int fdt_print(const char *pathp, char *prop, int depth)
 	int  level = 0;		/* keep track of nesting level */
 	const struct fdt_property *fdt_prop;
 
-	nodeoffset = fdt_path_offset (fdt, pathp);
+	nodeoffset = fdt_path_offset (working_fdt, pathp);
 	if (nodeoffset < 0) {
 		/*
 		 * Not found or something else bad happened.
@@ -675,7 +687,7 @@ static int fdt_print(const char *pathp, char *prop, int depth)
 	 * Print only the given property and then return.
 	 */
 	if (prop) {
-		nodep = fdt_getprop (fdt, nodeoffset, prop, &len);
+		nodep = fdt_getprop (working_fdt, nodeoffset, prop, &len);
 		if (len == 0) {
 			/* no property value */
 			printf("%s %s\n", pathp, prop);
@@ -697,10 +709,10 @@ static int fdt_print(const char *pathp, char *prop, int depth)
 	 * print the node and all subnodes.
 	 */
 	while(level >= 0) {
-		tag = fdt_next_tag(fdt, nodeoffset, &nextoffset);
+		tag = fdt_next_tag(working_fdt, nodeoffset, &nextoffset);
 		switch(tag) {
 		case FDT_BEGIN_NODE:
-			pathp = fdt_get_name(fdt, nodeoffset, NULL);
+			pathp = fdt_get_name(working_fdt, nodeoffset, NULL);
 			if (level <= depth) {
 				if (pathp == NULL)
 					pathp = "/* NULL pointer error */";
@@ -724,9 +736,9 @@ static int fdt_print(const char *pathp, char *prop, int depth)
 			}
 			break;
 		case FDT_PROP:
-			fdt_prop = fdt_offset_ptr(fdt, nodeoffset,
+			fdt_prop = fdt_offset_ptr(working_fdt, nodeoffset,
 					sizeof(*fdt_prop));
-			pathp    = fdt_string(fdt,
+			pathp    = fdt_string(working_fdt,
 					fdt32_to_cpu(fdt_prop->nameoff));
 			len      = fdt32_to_cpu(fdt_prop->len);
 			nodep    = fdt_prop->data;
diff --git a/common/fdt_support.c b/common/fdt_support.c
index 7507744..e58b294 100644
--- a/common/fdt_support.c
+++ b/common/fdt_support.c
@@ -35,11 +35,6 @@
  */
 DECLARE_GLOBAL_DATA_PTR;
 
-/*
- * fdt points to our working device tree.
- */
-struct fdt_header *fdt;
-
 
 /**
  * fdt_find_and_setprop: Find a node and set it's property
diff --git a/common/ft_build.c b/common/ft_build.c
deleted file mode 100644
index b951178..0000000
--- a/common/ft_build.c
+++ /dev/null
@@ -1,471 +0,0 @@
-/*
- * OF flat tree builder
- * Written by: Pantelis Antoniou <pantelis.antoniou@gmail.com>
- * Updated by: Matthew McClintock <msm@freescale.com>
- *
- * 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 <malloc.h>
-#include <environment.h>
-
-#ifdef CONFIG_OF_FLAT_TREE
-
-#include <asm/errno.h>
-#include <stddef.h>
-
-#include <ft_build.h>
-#include <linux/ctype.h>
-
-#undef DEBUG
-
-/* align addr on a size boundary - adjust address up if needed -- Cort */
-#define _ALIGN(addr,size)       (((addr)+(size)-1)&(~((size)-1)))
-#ifndef CONFIG_OF_BOOT_CPU
-#define CONFIG_OF_BOOT_CPU 0
-#endif
-#define SIZE_OF_RSVMAP_ENTRY (2*sizeof(u64))
-
-static void ft_put_word(struct ft_cxt *cxt, u32 v)
-{
-	memmove(cxt->p + sizeof(u32), cxt->p, cxt->p_end - cxt->p);
-
-	*(u32 *) cxt->p = cpu_to_be32(v);
-	cxt->p += sizeof(u32);
-	cxt->p_end += sizeof(u32);
-}
-
-static inline void ft_put_bin(struct ft_cxt *cxt, const void *data, int sz)
-{
-	int aligned_size = ((u8 *)_ALIGN((unsigned long)cxt->p + sz,
-					sizeof(u32))) - cxt->p;
-
-	memmove(cxt->p + aligned_size, cxt->p, cxt->p_end - cxt->p);
-
-	/* make sure the last bytes are zeroed */
-	memset(cxt->p + aligned_size - (aligned_size % sizeof(u32)), 0,
-			(aligned_size % sizeof(u32)));
-
-	memcpy(cxt->p, data, sz);
-
-	cxt->p += aligned_size;
-	cxt->p_end += aligned_size;
-}
-
-void ft_begin_node(struct ft_cxt *cxt, const char *name)
-{
-	ft_put_word(cxt, OF_DT_BEGIN_NODE);
-	ft_put_bin(cxt, name, strlen(name) + 1);
-}
-
-void ft_end_node(struct ft_cxt *cxt)
-{
-	ft_put_word(cxt, OF_DT_END_NODE);
-}
-
-void ft_nop(struct ft_cxt *cxt)
-{
-	ft_put_word(cxt, OF_DT_NOP);
-}
-
-static int lookup_string(struct ft_cxt *cxt, const char *name)
-{
-	u8 *p;
-
-	p = cxt->p;
-	while (p < cxt->p_end) {
-		if (strcmp((char *)p, name) == 0)
-			return p - cxt->p;
-		p += strlen((char *)p) + 1;
-	}
-
-	return -1;
-}
-
-void ft_prop(struct ft_cxt *cxt, const char *name, const void *data, int sz)
-{
-	int off = 0;
-
-	off = lookup_string(cxt, name);
-	if (off == -1) {
-		memcpy(cxt->p_end, name, strlen(name) + 1);
-		off = cxt->p_end - cxt->p;
-		cxt->p_end += strlen(name) + 1;
-	}
-
-	/* now put offset from beginning of *STRUCTURE* */
-	/* will be fixed up at the end */
-	ft_put_word(cxt, OF_DT_PROP);
-	ft_put_word(cxt, sz);
-	ft_put_word(cxt, off);
-	ft_put_bin(cxt, data, sz);
-}
-
-void ft_prop_str(struct ft_cxt *cxt, const char *name, const char *str)
-{
-	ft_prop(cxt, name, str, strlen(str) + 1);
-}
-
-void ft_prop_int(struct ft_cxt *cxt, const char *name, int val)
-{
-	u32 v = cpu_to_be32((u32) val);
-
-	ft_prop(cxt, name, &v, sizeof(u32));
-}
-
-/* pick up and start working on a tree in place */
-void ft_init_cxt(struct ft_cxt *cxt, void *blob)
-{
-	struct boot_param_header *bph = blob;
-
-	memset(cxt, 0, sizeof(*cxt));
-
-	cxt->bph = bph;
-	bph->boot_cpuid_phys = CONFIG_OF_BOOT_CPU;
-
-	/* find beginning and end of reserve map table (zeros in last entry) */
-	cxt->p_rsvmap = (u8 *)bph + bph->off_mem_rsvmap;
-	while ( ((uint64_t *)cxt->p_rsvmap)[0] != 0 &&
-		     ((uint64_t *)cxt->p_rsvmap)[1] != 0 ) {
-	cxt->p_rsvmap += SIZE_OF_RSVMAP_ENTRY;
-	}
-
-	cxt->p_start = (u8 *)bph + bph->off_dt_struct;
-	cxt->p_end = (u8 *)bph + bph->totalsize;
-	cxt->p = (u8 *)bph + bph->off_dt_strings;
-}
-
-/* add a reserver physical area to the rsvmap */
-void ft_add_rsvmap(struct ft_cxt *cxt, u64 physstart, u64 physend)
-{
-	memmove(cxt->p_rsvmap + SIZE_OF_RSVMAP_ENTRY, cxt->p_rsvmap,
-				 cxt->p_end - cxt->p_rsvmap);
-
-	((u64 *)cxt->p_rsvmap)[0] = cpu_to_be64(physstart);
-	((u64 *)cxt->p_rsvmap)[1] = cpu_to_be64(physend);
-	((u64 *)cxt->p_rsvmap)[2] = 0;
-	((u64 *)cxt->p_rsvmap)[3] = 0;
-
-	cxt->p_rsvmap += SIZE_OF_RSVMAP_ENTRY;
-	cxt->p_start += SIZE_OF_RSVMAP_ENTRY;
-	cxt->p += SIZE_OF_RSVMAP_ENTRY;
-	cxt->p_end += SIZE_OF_RSVMAP_ENTRY;
-}
-
-void ft_end_tree(struct ft_cxt *cxt)
-{
-	ft_put_word(cxt, OF_DT_END);
-}
-
-/* update the boot param header with correct values */
-void ft_finalize_tree(struct ft_cxt *cxt) {
-	struct boot_param_header *bph = cxt->bph;
-
-	bph->totalsize = cxt->p_end - (u8 *)bph;
-	bph->off_dt_struct = cxt->p_start - (u8 *)bph;
-	bph->off_dt_strings = cxt->p - (u8 *)bph;
-	bph->dt_strings_size = cxt->p_end - cxt->p;
-}
-
-static int is_printable_string(const void *data, int len)
-{
-	const char *s = data;
-	const char *ss;
-
-	/* zero length is not */
-	if (len == 0)
-		return 0;
-
-	/* must terminate with zero */
-	if (s[len - 1] != '\0')
-		return 0;
-
-	ss = s;
-	while (*s && isprint(*s))
-		s++;
-
-	/* not zero, or not done yet */
-	if (*s != '\0' || (s + 1 - ss) < len)
-		return 0;
-
-	return 1;
-}
-
-static void print_data(const void *data, int len)
-{
-	int i;
-	const u8 *s;
-
-	/* no data, don't print */
-	if (len == 0)
-		return;
-
-	if (is_printable_string(data, len)) {
-		puts(" = \"");
-		puts(data);
-		puts("\"");
-		return;
-	}
-
-	switch (len) {
-	case 1:		/* byte */
-		printf(" = <%02x>", (*(u8 *) data) & 0xff);
-		break;
-	case 2:		/* half-word */
-		printf(" = <%04x>", be16_to_cpu(*(u16 *) data) & 0xffff);
-		break;
-	case 4:		/* word */
-		printf(" = <%x>", be32_to_cpu(*(u32 *) data) & 0xffffffffU);
-		break;
-	case 8:		/* double-word */
-		printf(" = <%qx>", be64_to_cpu(*(uint64_t *) data));
-		break;
-	default:		/* anything else... hexdump */
-		printf(" = [");
-		for (i = 0, s = data; i < len; i++)
-			printf("%02x%s", s[i], i < len - 1 ? " " : "");
-		printf("]");
-
-		break;
-	}
-}
-
-void ft_dump_blob(const void *bphp)
-{
-	const struct boot_param_header *bph = bphp;
-	const uint64_t *p_rsvmap = (const uint64_t *)
-		((const char *)bph + be32_to_cpu(bph->off_mem_rsvmap));
-	const u32 *p_struct = (const u32 *)
-		((const char *)bph + be32_to_cpu(bph->off_dt_struct));
-	const u32 *p_strings = (const u32 *)
-		((const char *)bph + be32_to_cpu(bph->off_dt_strings));
-	u32 tag;
-	const u32 *p;
-	const char *s, *t;
-	int depth, sz, shift;
-	int i;
-	uint64_t addr, size;
-
-	if (be32_to_cpu(bph->magic) != OF_DT_HEADER) {
-		/* not valid tree */
-		return;
-	}
-
-	depth = 0;
-	shift = 4;
-
-	for (i = 0;; i++) {
-		addr = be64_to_cpu(p_rsvmap[i * 2]);
-		size = be64_to_cpu(p_rsvmap[i * 2 + 1]);
-		if (addr == 0 && size == 0)
-			break;
-
-		printf("/memreserve/ %qx %qx;\n", addr, size);
-	}
-
-	p = p_struct;
-	while ((tag = be32_to_cpu(*p++)) != OF_DT_END) {
-
-		/* printf("tag: 0x%08x (%d)\n", tag, p - p_struct); */
-
-		if (tag == OF_DT_BEGIN_NODE) {
-			s = (const char *)p;
-			p = (u32 *) _ALIGN((unsigned long)p + strlen(s) + 1, 4);
-
-			printf("%*s%s {\n", depth * shift, "", s);
-
-			depth++;
-			continue;
-		}
-
-		if (tag == OF_DT_END_NODE) {
-			depth--;
-
-			printf("%*s};\n", depth * shift, "");
-			continue;
-		}
-
-		if (tag == OF_DT_NOP) {
-			printf("%*s[NOP]\n", depth * shift, "");
-			continue;
-		}
-
-		if (tag != OF_DT_PROP) {
-			fprintf(stderr, "%*s ** Unknown tag 0x%08x at 0x%x\n",
-				depth * shift, "", tag, --p);
-			break;
-		}
-		sz = be32_to_cpu(*p++);
-		s = (const char *)p_strings + be32_to_cpu(*p++);
-		t = (const char *)p;
-		p = (const u32 *)_ALIGN((unsigned long)p + sz, 4);
-		printf("%*s%s", depth * shift, "", s);
-		print_data(t, sz);
-		printf(";\n");
-	}
-}
-
-void ft_backtrack_node(struct ft_cxt *cxt)
-{
-	int i = 4;
-
-	while (be32_to_cpu(*(u32 *) (cxt->p - i)) != OF_DT_END_NODE)
-		i += 4;
-
-	memmove (cxt->p - i, cxt->p, cxt->p_end - cxt->p);
-
-	cxt->p_end -= i;
-	cxt->p -= i;
-}
-
-void *ft_get_prop(void *bphp, const char *propname, int *szp)
-{
-	struct boot_param_header *bph = bphp;
-	uint32_t *p_struct =
-	    (uint32_t *) ((char *)bph + be32_to_cpu(bph->off_dt_struct));
-	uint32_t *p_strings =
-	    (uint32_t *) ((char *)bph + be32_to_cpu(bph->off_dt_strings));
-	uint32_t version = be32_to_cpu(bph->version);
-	uint32_t tag;
-	uint32_t *p;
-	char *s, *t;
-	char *ss;
-	int sz;
-	static char path[256], prop[256];
-
-	path[0] = '\0';
-
-	p = p_struct;
-	while ((tag = be32_to_cpu(*p++)) != OF_DT_END) {
-
-		if (tag == OF_DT_BEGIN_NODE) {
-			s = (char *)p;
-			p = (uint32_t *) _ALIGN((unsigned long)p + strlen(s) +
-						1, 4);
-			strcat(path, s);
-			strcat(path, "/");
-			continue;
-		}
-
-		if (tag == OF_DT_END_NODE) {
-			path[strlen(path) - 1] = '\0';
-			ss = strrchr(path, '/');
-			if (ss != NULL)
-				ss[1] = '\0';
-			continue;
-		}
-
-		if (tag == OF_DT_NOP)
-			continue;
-
-		if (tag != OF_DT_PROP)
-			break;
-
-		sz = be32_to_cpu(*p++);
-		s = (char *)p_strings + be32_to_cpu(*p++);
-		if (version < 0x10 && sz >= 8)
-			p = (uint32_t *) _ALIGN((unsigned long)p, 8);
-		t = (char *)p;
-		p = (uint32_t *) _ALIGN((unsigned long)p + sz, 4);
-
-		strcpy(prop, path);
-		strcat(prop, s);
-
-		if (strcmp(prop, propname) == 0) {
-			*szp = sz;
-			return t;
-		}
-	}
-
-	return NULL;
-}
-
-/********************************************************************/
-
-void ft_setup(void *blob, bd_t * bd, ulong initrd_start, ulong initrd_end)
-{
-	u32 *p;
-	int len;
-	struct ft_cxt cxt;
-	ulong clock;
-
-	/* disable OF tree; booting old kernel */
-	if (getenv("disable_of") != NULL) {
-		memcpy(blob, bd, sizeof(*bd));
-		return;
-	}
-
-#ifdef DEBUG
-	printf ("recieved oftree\n");
-	ft_dump_blob(blob);
-#endif
-
-	ft_init_cxt(&cxt, blob);
-
-	if (initrd_start && initrd_end)
-		ft_add_rsvmap(&cxt, initrd_start, initrd_end - initrd_start + 1);
-
-	/* back into root */
-	ft_backtrack_node(&cxt);
-
-	ft_begin_node(&cxt, "chosen");
-	ft_prop_str(&cxt, "name", "chosen");
-
-	ft_prop_str(&cxt, "bootargs", getenv("bootargs"));
-	ft_prop_int(&cxt, "linux,platform", 0x600);	/* what is this? */
-	if (initrd_start && initrd_end) {
-		ft_prop_int(&cxt, "linux,initrd-start", initrd_start);
-		ft_prop_int(&cxt, "linux,initrd-end", initrd_end);
-	}
-#ifdef OF_STDOUT_PATH
-	ft_prop_str(&cxt, "linux,stdout-path", OF_STDOUT_PATH);
-#endif
-
-	ft_end_node(&cxt);
-
-	ft_end_node(&cxt);	/* end root */
-
-	ft_end_tree(&cxt);
-	ft_finalize_tree(&cxt);
-
-#ifdef CONFIG_PPC
-	clock = bd->bi_intfreq;
-	p = ft_get_prop(blob, "/cpus/" OF_CPU "/clock-frequency", &len);
-	if (p != NULL)
-		*p = cpu_to_be32(clock);
-
-#ifdef OF_TBCLK
-	clock = OF_TBCLK;
-	p = ft_get_prop(blob, "/cpus/" OF_CPU "/timebase-frequency", &len);
-	if (p != NULL)
-		*p = cpu_to_be32(clock);
-#endif
-#endif				/* __powerpc__ */
-
-#ifdef CONFIG_OF_BOARD_SETUP
-	ft_board_setup(blob, bd);
-#endif
-
-	/* in case the size changed in the platform code */
-	ft_finalize_tree(&cxt);
-
-#ifdef DEBUG
-	printf("final OF-tree\n");
-	ft_dump_blob(blob);
-#endif
-}
-#endif