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From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org
Subject: [PATCH 27/29] of: remove unused libfdt
Date: Tue, 26 Feb 2013 21:18:54 +0100	[thread overview]
Message-ID: <1361909936-2665-28-git-send-email-s.hauer@pengutronix.de> (raw)
In-Reply-To: <1361909936-2665-1-git-send-email-s.hauer@pengutronix.de>

Now that we are completely independent of libfdt remove the unused
code.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/boards/at91sam9m10ihd/hw_version.c |    1 -
 arch/arm/boards/at91sam9x5ek/hw_version.c   |    1 -
 arch/arm/boards/sama5d3xek/hw_version.c     |    1 -
 arch/arm/lib/bootm.c                        |    1 -
 commands/bootm.c                            |    1 -
 commands/of_node.c                          |    1 -
 commands/of_property.c                      |    1 -
 commands/oftree.c                           |    3 +-
 common/memory.c                             |    1 -
 common/oftree.c                             |  148 ----
 drivers/of/Kconfig                          |    1 -
 drivers/of/base.c                           |    1 -
 drivers/of/dtb.c                            |    1 -
 include/fdt.h                               |   13 +
 include/libfdt.h                            | 1235 ---------------------------
 include/libfdt_env.h                        |   21 -
 include/of.h                                |   10 -
 lib/Kconfig                                 |    3 -
 lib/Makefile                                |    1 -
 lib/fdt/Makefile                            |    2 -
 lib/fdt/TODO                                |    3 -
 lib/fdt/fdt.c                               |  222 -----
 lib/fdt/fdt_ro.c                            |  574 -------------
 lib/fdt/fdt_rw.c                            |  465 ----------
 lib/fdt/fdt_strerror.c                      |   96 ---
 lib/fdt/fdt_sw.c                            |  256 ------
 lib/fdt/fdt_wip.c                           |  118 ---
 lib/fdt/libfdt_internal.h                   |   95 ---
 28 files changed, 14 insertions(+), 3262 deletions(-)
 delete mode 100644 include/libfdt.h
 delete mode 100644 include/libfdt_env.h
 delete mode 100644 lib/fdt/Makefile
 delete mode 100644 lib/fdt/TODO
 delete mode 100644 lib/fdt/fdt.c
 delete mode 100644 lib/fdt/fdt_ro.c
 delete mode 100644 lib/fdt/fdt_rw.c
 delete mode 100644 lib/fdt/fdt_strerror.c
 delete mode 100644 lib/fdt/fdt_sw.c
 delete mode 100644 lib/fdt/fdt_wip.c
 delete mode 100644 lib/fdt/libfdt_internal.h

diff --git a/arch/arm/boards/at91sam9m10ihd/hw_version.c b/arch/arm/boards/at91sam9m10ihd/hw_version.c
index cd522f7..be910df 100644
--- a/arch/arm/boards/at91sam9m10ihd/hw_version.c
+++ b/arch/arm/boards/at91sam9m10ihd/hw_version.c
@@ -20,7 +20,6 @@
 #include <libbb.h>
 #include <asm/armlinux.h>
 #include <of.h>
-#include <libfdt.h>
 
 #include "hw_version.h"
 
diff --git a/arch/arm/boards/at91sam9x5ek/hw_version.c b/arch/arm/boards/at91sam9x5ek/hw_version.c
index 2695faa..76d4e1b 100644
--- a/arch/arm/boards/at91sam9x5ek/hw_version.c
+++ b/arch/arm/boards/at91sam9x5ek/hw_version.c
@@ -20,7 +20,6 @@
 #include <libbb.h>
 #include <asm/armlinux.h>
 #include <of.h>
-#include <libfdt.h>
 
 #include "hw_version.h"
 
diff --git a/arch/arm/boards/sama5d3xek/hw_version.c b/arch/arm/boards/sama5d3xek/hw_version.c
index a9fcf7d..79fd63a 100644
--- a/arch/arm/boards/sama5d3xek/hw_version.c
+++ b/arch/arm/boards/sama5d3xek/hw_version.c
@@ -20,7 +20,6 @@
 #include <libbb.h>
 #include <asm/armlinux.h>
 #include <of.h>
-#include <libfdt.h>
 
 #include "hw_version.h"
 
diff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c
index 234f3e0..92f9e11 100644
--- a/arch/arm/lib/bootm.c
+++ b/arch/arm/lib/bootm.c
@@ -14,7 +14,6 @@
 #include <sizes.h>
 #include <libbb.h>
 #include <magicvar.h>
-#include <libfdt.h>
 #include <binfmt.h>
 
 #include <asm/byteorder.h>
diff --git a/commands/bootm.c b/commands/bootm.c
index 65a75e2..4acc57f 100644
--- a/commands/bootm.c
+++ b/commands/bootm.c
@@ -34,7 +34,6 @@
 #include <errno.h>
 #include <boot.h>
 #include <of.h>
-#include <libfdt.h>
 #include <rtc.h>
 #include <init.h>
 #include <of.h>
diff --git a/commands/of_node.c b/commands/of_node.c
index 2f6ecae..27f070d 100644
--- a/commands/of_node.c
+++ b/commands/of_node.c
@@ -24,7 +24,6 @@
 #include <command.h>
 #include <fs.h>
 #include <malloc.h>
-#include <libfdt.h>
 #include <linux/ctype.h>
 #include <asm/byteorder.h>
 #include <errno.h>
diff --git a/commands/of_property.c b/commands/of_property.c
index 585522c..1b968d8 100644
--- a/commands/of_property.c
+++ b/commands/of_property.c
@@ -24,7 +24,6 @@
 #include <command.h>
 #include <fs.h>
 #include <malloc.h>
-#include <libfdt.h>
 #include <linux/ctype.h>
 #include <asm/byteorder.h>
 #include <errno.h>
diff --git a/commands/oftree.c b/commands/oftree.c
index e4f52b8..468235a 100644
--- a/commands/oftree.c
+++ b/commands/oftree.c
@@ -30,7 +30,6 @@
 #include <command.h>
 #include <fs.h>
 #include <malloc.h>
-#include <libfdt.h>
 #include <linux/ctype.h>
 #include <linux/err.h>
 #include <asm/byteorder.h>
@@ -114,7 +113,7 @@ static int do_oftree(int argc, char *argv[])
 			goto out;
 		}
 
-		ret = write_file(file, fdt, fdt_totalsize(fdt));
+		ret = write_file(file, fdt, fdt32_to_cpu(fdt->totalsize));
 
 		goto out;
 	}
diff --git a/common/memory.c b/common/memory.c
index 1d2e3a3..6e59a0a 100644
--- a/common/memory.c
+++ b/common/memory.c
@@ -21,7 +21,6 @@
 #include <memory.h>
 #include <of.h>
 #include <init.h>
-#include <libfdt.h>
 #include <linux/ioport.h>
 #include <asm-generic/memory_layout.h>
 #include <asm/sections.h>
diff --git a/common/oftree.c b/common/oftree.c
index abbb7bd..776d301 100644
--- a/common/oftree.c
+++ b/common/oftree.c
@@ -5,7 +5,6 @@
 #include <command.h>
 #include <fs.h>
 #include <malloc.h>
-#include <libfdt.h>
 #include <linux/ctype.h>
 #include <asm/byteorder.h>
 #include <errno.h>
@@ -99,153 +98,6 @@ void of_print_property(const void *data, int len)
 	}
 }
 
-static void printf_indent(int level, const char *fmt, ...)
-{
-	va_list args;
-
-	printf("%*s", level * 8, "");
-
-	va_start (args, fmt);
-	vprintf(fmt, args);
-	va_end (args);
-}
-
-int fdt_print(struct fdt_header *working_fdt, const char *pathp)
-{
-	const void *nodep;	/* property node pointer */
-	int  nodeoffset;	/* node offset from libfdt */
-	int  nextoffset;	/* next node offset from libfdt */
-	uint32_t tag;		/* tag */
-	int  len;		/* length of the property */
-	int  level = 0;		/* keep track of nesting level */
-	const struct fdt_property *fdt_prop;
-
-	nodeoffset = fdt_path_offset(working_fdt, pathp);
-	if (nodeoffset < 0) {
-		/*
-		 * Not found or something else bad happened.
-		 */
-		printf("libfdt fdt_path_offset() returned %s\n",
-			fdt_strerror(nodeoffset));
-		return 1;
-	}
-
-	while (level >= 0) {
-		tag = fdt_next_tag(working_fdt, nodeoffset, &nextoffset);
-		switch (tag) {
-		case FDT_BEGIN_NODE:
-			pathp = fdt_get_name(working_fdt, nodeoffset, NULL);
-			if (pathp == NULL)
-				pathp = "/* NULL pointer error */";
-			if (*pathp == '\0')
-				pathp = "/";	/* root is nameless */
-			printf_indent(level, "%s {\n",pathp);
-			level++;
-			if (level >= MAX_LEVEL) {
-				printf("Nested too deep, aborting.\n");
-				return 1;
-			}
-			break;
-		case FDT_END_NODE:
-			level--;
-			printf_indent(level, "};\n");
-			if (level == 0) {
-				level = -1;		/* exit the loop */
-			}
-			break;
-		case FDT_PROP:
-			fdt_prop = fdt_offset_ptr(working_fdt, nodeoffset,
-					sizeof(*fdt_prop));
-			pathp    = fdt_string(working_fdt,
-					fdt32_to_cpu(fdt_prop->nameoff));
-			len      = fdt32_to_cpu(fdt_prop->len);
-			nodep    = fdt_prop->data;
-			if (len < 0) {
-				printf("libfdt fdt_getprop(): %s\n",
-					fdt_strerror(len));
-				return 1;
-			} else if (len == 0) {
-				/* the property has no value */
-				printf_indent(level, "%s;\n", pathp);
-			} else {
-				printf_indent(level, "%s = ", pathp);
-				of_print_property(nodep, len);
-				printf(";\n");
-			}
-			break;
-		case FDT_NOP:
-			printf_indent(level, "/* NOP */\n");
-			break;
-		case FDT_END:
-			return 1;
-		default:
-			printf("Unknown tag 0x%08X\n", tag);
-			return 1;
-		}
-		nodeoffset = nextoffset;
-	}
-	return 0;
-}
-
-/**
- * fdt_find_and_setprop: Find a node and set it's property
- *
- * @fdt: ptr to device tree
- * @node: path of node
- * @prop: property name
- * @val: ptr to new value
- * @len: length of new property value
- * @create: flag to create the property if it doesn't exist
- *
- * Convenience function to directly set a property given the path to the node.
- */
-int fdt_find_and_setprop(struct fdt_header *fdt, const char *node,
-		const char *prop, const void *val, int len, int create)
-{
-	int nodeoff = fdt_path_offset(fdt, node);
-
-	if (nodeoff < 0)
-		return nodeoff;
-
-	if ((!create) && (fdt_get_property(fdt, nodeoff, prop, NULL) == NULL))
-		return 0; /* create flag not set; so exit quietly */
-
-	return fdt_setprop(fdt, nodeoff, prop, val, len);
-}
-
-void do_fixup_by_path(struct fdt_header *fdt, const char *path,
-		const char *prop, const void *val, int len, int create)
-{
-	int rc = fdt_find_and_setprop(fdt, path, prop, val, len, create);
-	if (rc)
-		printf("Unable to update property %s:%s, err=%s\n",
-			path, prop, fdt_strerror(rc));
-}
-
-void do_fixup_by_path_u32(struct fdt_header *fdt, const char *path,
-		const char *prop, u32 val, int create)
-{
-	val = cpu_to_fdt32(val);
-	do_fixup_by_path(fdt, path, prop, &val, sizeof(val), create);
-}
-
-int fdt_get_path_or_create(struct fdt_header *fdt, const char *path)
-{
-	int nodeoffset;
-
-	nodeoffset = fdt_path_offset (fdt, path);
-	if (nodeoffset < 0) {
-		nodeoffset = fdt_add_subnode(fdt, 0, path + 1);
-		if (nodeoffset < 0) {
-			printf("WARNING: could not create %s %s.\n",
-					path, fdt_strerror(nodeoffset));
-                        return -EINVAL;
-                }
-        }
-
-	return nodeoffset;
-}
-
 static int of_fixup_bootargs(struct device_node *root)
 {
 	struct device_node *node;
diff --git a/drivers/of/Kconfig b/drivers/of/Kconfig
index c30b1c1..031bec1 100644
--- a/drivers/of/Kconfig
+++ b/drivers/of/Kconfig
@@ -1,5 +1,4 @@
 config OFTREE
-	select FDT
 	bool
 
 config OFDEVICE
diff --git a/drivers/of/base.c b/drivers/of/base.c
index c47801a..faff883 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -20,7 +20,6 @@
 #include <common.h>
 #include <of.h>
 #include <errno.h>
-#include <libfdt.h>
 #include <malloc.h>
 #include <init.h>
 #include <memory.h>
diff --git a/drivers/of/dtb.c b/drivers/of/dtb.c
index 671ea63..ae4130e 100644
--- a/drivers/of/dtb.c
+++ b/drivers/of/dtb.c
@@ -20,7 +20,6 @@
 #include <common.h>
 #include <of.h>
 #include <errno.h>
-#include <libfdt.h>
 #include <malloc.h>
 #include <init.h>
 #include <memory.h>
diff --git a/include/fdt.h b/include/fdt.h
index 48ccfd9..35278e3 100644
--- a/include/fdt.h
+++ b/include/fdt.h
@@ -3,6 +3,19 @@
 
 #ifndef __ASSEMBLY__
 
+#define _B(n)	((unsigned long long)((uint8_t *)&x)[n])
+
+#define fdt32_to_cpu(x)	be32_to_cpu(x)
+#define cpu_to_fdt32(x) cpu_to_be32(x)
+
+static inline uint64_t fdt64_to_cpu(uint64_t x)
+{
+	return (_B(0) << 56) | (_B(1) << 48) | (_B(2) << 40) | (_B(3) << 32)
+		| (_B(4) << 24) | (_B(5) << 16) | (_B(6) << 8) | _B(7);
+}
+#define cpu_to_fdt64(x) fdt64_to_cpu(x)
+#undef _B
+
 struct fdt_header {
 	uint32_t magic;			 /* magic word FDT_MAGIC */
 	uint32_t totalsize;		 /* total size of DT block */
diff --git a/include/libfdt.h b/include/libfdt.h
deleted file mode 100644
index 55f3eb3..0000000
--- a/include/libfdt.h
+++ /dev/null
@@ -1,1235 +0,0 @@
-#ifndef _LIBFDT_H
-#define _LIBFDT_H
-/*
- * libfdt - Flat Device Tree manipulation
- * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * libfdt is dual licensed: you can use it either under the terms of
- * the GPL, or the BSD license, at your option.
- *
- *  a) This library 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 library 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 library; if not, write to the Free
- *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
- *     MA 02110-1301 USA
- *
- * Alternatively,
- *
- *  b) Redistribution and use in source and binary forms, with or
- *     without modification, are permitted provided that the following
- *     conditions are met:
- *
- *     1. Redistributions of source code must retain the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer.
- *     2. Redistributions in binary form must reproduce the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer in the documentation and/or other materials
- *        provided with the distribution.
- *
- *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- *     CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- *     INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- *     MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- *     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- *     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- *     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- *     OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
- *     EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <libfdt_env.h>
-#include <fdt.h>
-
-#define FDT_FIRST_SUPPORTED_VERSION	0x10
-#define FDT_LAST_SUPPORTED_VERSION	0x11
-
-/* Error codes: informative error codes */
-#define FDT_ERR_NOTFOUND	1
-	/* FDT_ERR_NOTFOUND: The requested node or property does not exist */
-#define FDT_ERR_EXISTS		2
-	/* FDT_ERR_EXISTS: Attemped to create a node or property which
-	 * already exists */
-#define FDT_ERR_NOSPACE		3
-	/* FDT_ERR_NOSPACE: Operation needed to expand the device
-	 * tree, but its buffer did not have sufficient space to
-	 * contain the expanded tree. Use fdt_open_into() to move the
-	 * device tree to a buffer with more space. */
-
-/* Error codes: codes for bad parameters */
-#define FDT_ERR_BADOFFSET	4
-	/* FDT_ERR_BADOFFSET: Function was passed a structure block
-	 * offset which is out-of-bounds, or which points to an
-	 * unsuitable part of the structure for the operation. */
-#define FDT_ERR_BADPATH		5
-	/* FDT_ERR_BADPATH: Function was passed a badly formatted path
-	 * (e.g. missing a leading / for a function which requires an
-	 * absolute path) */
-#define FDT_ERR_BADPHANDLE	6
-	/* FDT_ERR_BADPHANDLE: Function was passed an invalid phandle
-	 * value.  phandle values of 0 and -1 are not permitted. */
-#define FDT_ERR_BADSTATE	7
-	/* FDT_ERR_BADSTATE: Function was passed an incomplete device
-	 * tree created by the sequential-write functions, which is
-	 * not sufficiently complete for the requested operation. */
-
-/* Error codes: codes for bad device tree blobs */
-#define FDT_ERR_TRUNCATED	8
-	/* FDT_ERR_TRUNCATED: Structure block of the given device tree
-	 * ends without an FDT_END tag. */
-#define FDT_ERR_BADMAGIC	9
-	/* FDT_ERR_BADMAGIC: Given "device tree" appears not to be a
-	 * device tree at all - it is missing the flattened device
-	 * tree magic number. */
-#define FDT_ERR_BADVERSION	10
-	/* FDT_ERR_BADVERSION: Given device tree has a version which
-	 * can't be handled by the requested operation.  For
-	 * read-write functions, this may mean that fdt_open_into() is
-	 * required to convert the tree to the expected version. */
-#define FDT_ERR_BADSTRUCTURE	11
-	/* FDT_ERR_BADSTRUCTURE: Given device tree has a corrupt
-	 * structure block or other serious error (e.g. misnested
-	 * nodes, or subnodes preceding properties). */
-#define FDT_ERR_BADLAYOUT	12
-	/* FDT_ERR_BADLAYOUT: For read-write functions, the given
-	 * device tree has it's sub-blocks in an order that the
-	 * function can't handle (memory reserve map, then structure,
-	 * then strings).  Use fdt_open_into() to reorganize the tree
-	 * into a form suitable for the read-write operations. */
-
-/* "Can't happen" error indicating a bug in libfdt */
-#define FDT_ERR_INTERNAL	13
-	/* FDT_ERR_INTERNAL: libfdt has failed an internal assertion.
-	 * Should never be returned, if it is, it indicates a bug in
-	 * libfdt itself. */
-
-#define FDT_ERR_MAX		13
-
-/**********************************************************************/
-/* Low-level functions (you probably don't need these)                */
-/**********************************************************************/
-
-const void *fdt_offset_ptr(const void *fdt, int offset, unsigned int checklen);
-static inline void *fdt_offset_ptr_w(void *fdt, int offset, int checklen)
-{
-	return (void *)(uintptr_t)fdt_offset_ptr(fdt, offset, checklen);
-}
-
-uint32_t fdt_next_tag(const void *fdt, int offset, int *nextoffset);
-
-/**********************************************************************/
-/* Traversal functions                                                */
-/**********************************************************************/
-
-int fdt_next_node(const void *fdt, int offset, int *depth);
-
-/**********************************************************************/
-/* General functions                                                  */
-/**********************************************************************/
-
-#define fdt_get_header(fdt, field) \
-	(fdt32_to_cpu(((const struct fdt_header *)(fdt))->field))
-#define fdt_magic(fdt) 			(fdt_get_header(fdt, magic))
-#define fdt_totalsize(fdt)		(fdt_get_header(fdt, totalsize))
-#define fdt_off_dt_struct(fdt)		(fdt_get_header(fdt, off_dt_struct))
-#define fdt_off_dt_strings(fdt)		(fdt_get_header(fdt, off_dt_strings))
-#define fdt_off_mem_rsvmap(fdt)		(fdt_get_header(fdt, off_mem_rsvmap))
-#define fdt_version(fdt)		(fdt_get_header(fdt, version))
-#define fdt_last_comp_version(fdt) 	(fdt_get_header(fdt, last_comp_version))
-#define fdt_boot_cpuid_phys(fdt) 	(fdt_get_header(fdt, boot_cpuid_phys))
-#define fdt_size_dt_strings(fdt) 	(fdt_get_header(fdt, size_dt_strings))
-#define fdt_size_dt_struct(fdt)		(fdt_get_header(fdt, size_dt_struct))
-
-#define __fdt_set_hdr(name) \
-	static inline void fdt_set_##name(void *fdt, uint32_t val) \
-	{ \
-		struct fdt_header *fdth = (struct fdt_header*)fdt; \
-		fdth->name = cpu_to_fdt32(val); \
-	}
-__fdt_set_hdr(magic);
-__fdt_set_hdr(totalsize);
-__fdt_set_hdr(off_dt_struct);
-__fdt_set_hdr(off_dt_strings);
-__fdt_set_hdr(off_mem_rsvmap);
-__fdt_set_hdr(version);
-__fdt_set_hdr(last_comp_version);
-__fdt_set_hdr(boot_cpuid_phys);
-__fdt_set_hdr(size_dt_strings);
-__fdt_set_hdr(size_dt_struct);
-#undef __fdt_set_hdr
-
-/**
- * fdt_check_header - sanity check a device tree or possible device tree
- * @fdt: pointer to data which might be a flattened device tree
- *
- * fdt_check_header() checks that the given buffer contains what
- * appears to be a flattened device tree with sane information in its
- * header.
- *
- * returns:
- *     0, if the buffer appears to contain a valid device tree
- *     -FDT_ERR_BADMAGIC,
- *     -FDT_ERR_BADVERSION,
- *     -FDT_ERR_BADSTATE, standard meanings, as above
- */
-int fdt_check_header(const void *fdt);
-
-/**
- * fdt_move - move a device tree around in memory
- * @fdt: pointer to the device tree to move
- * @buf: pointer to memory where the device is to be moved
- * @bufsize: size of the memory space at buf
- *
- * fdt_move() relocates, if possible, the device tree blob located at
- * fdt to the buffer at buf of size bufsize.  The buffer may overlap
- * with the existing device tree blob at fdt.  Therefore,
- *     fdt_move(fdt, fdt, fdt_totalsize(fdt))
- * should always succeed.
- *
- * returns:
- *     0, on success
- *     -FDT_ERR_NOSPACE, bufsize is insufficient to contain the device tree
- *     -FDT_ERR_BADMAGIC,
- *     -FDT_ERR_BADVERSION,
- *     -FDT_ERR_BADSTATE, standard meanings
- */
-int fdt_move(const void *fdt, void *buf, int bufsize);
-
-/**********************************************************************/
-/* Read-only functions                                                */
-/**********************************************************************/
-
-/**
- * fdt_string - retrieve a string from the strings block of a device tree
- * @fdt: pointer to the device tree blob
- * @stroffset: offset of the string within the strings block (native endian)
- *
- * fdt_string() retrieves a pointer to a single string from the
- * strings block of the device tree blob at fdt.
- *
- * returns:
- *     a pointer to the string, on success
- *     NULL, if stroffset is out of bounds
- */
-const char *fdt_string(const void *fdt, int stroffset);
-
-/**
- * fdt_num_mem_rsv - retrieve the number of memory reserve map entries
- * @fdt: pointer to the device tree blob
- *
- * Returns the number of entries in the device tree blob's memory
- * reservation map.  This does not include the terminating 0,0 entry
- * or any other (0,0) entries reserved for expansion.
- *
- * returns:
- *     the number of entries
- */
-int fdt_num_mem_rsv(const void *fdt);
-
-/**
- * fdt_get_mem_rsv - retrieve one memory reserve map entry
- * @fdt: pointer to the device tree blob
- * @address, @size: pointers to 64-bit variables
- *
- * On success, *address and *size will contain the address and size of
- * the n-th reserve map entry from the device tree blob, in
- * native-endian format.
- *
- * returns:
- *     0, on success
- *     -FDT_ERR_BADMAGIC,
- *     -FDT_ERR_BADVERSION,
- *     -FDT_ERR_BADSTATE, standard meanings
- */
-int fdt_get_mem_rsv(const void *fdt, int n, uint64_t *address, uint64_t *size);
-
-/**
- * fdt_subnode_offset_namelen - find a subnode based on substring
- * @fdt: pointer to the device tree blob
- * @parentoffset: structure block offset of a node
- * @name: name of the subnode to locate
- * @namelen: number of characters of name to consider
- *
- * Identical to fdt_subnode_offset(), but only examine the first
- * namelen characters of name for matching the subnode name.  This is
- * useful for finding subnodes based on a portion of a larger string,
- * such as a full path.
- */
-int fdt_subnode_offset_namelen(const void *fdt, int parentoffset,
-			       const char *name, int namelen);
-/**
- * fdt_subnode_offset - find a subnode of a given node
- * @fdt: pointer to the device tree blob
- * @parentoffset: structure block offset of a node
- * @name: name of the subnode to locate
- *
- * fdt_subnode_offset() finds a subnode of the node at structure block
- * offset parentoffset with the given name.  name may include a unit
- * address, in which case fdt_subnode_offset() will find the subnode
- * with that unit address, or the unit address may be omitted, in
- * which case fdt_subnode_offset() will find an arbitrary subnode
- * whose name excluding unit address matches the given name.
- *
- * returns:
- *	structure block offset of the requested subnode (>=0), on success
- *	-FDT_ERR_NOTFOUND, if the requested subnode does not exist
- *	-FDT_ERR_BADOFFSET, if parentoffset did not point to an FDT_BEGIN_NODE tag
- *      -FDT_ERR_BADMAGIC,
- *	-FDT_ERR_BADVERSION,
- *	-FDT_ERR_BADSTATE,
- *	-FDT_ERR_BADSTRUCTURE,
- *	-FDT_ERR_TRUNCATED, standard meanings.
- */
-int fdt_subnode_offset(const void *fdt, int parentoffset, const char *name);
-
-/**
- * fdt_path_offset - find a tree node by its full path
- * @fdt: pointer to the device tree blob
- * @path: full path of the node to locate
- *
- * fdt_path_offset() finds a node of a given path in the device tree.
- * Each path component may omit the unit address portion, but the
- * results of this are undefined if any such path component is
- * ambiguous (that is if there are multiple nodes at the relevant
- * level matching the given component, differentiated only by unit
- * address).
- *
- * returns:
- *	structure block offset of the node with the requested path (>=0), on success
- *	-FDT_ERR_BADPATH, given path does not begin with '/' or is invalid
- *	-FDT_ERR_NOTFOUND, if the requested node does not exist
- *      -FDT_ERR_BADMAGIC,
- *	-FDT_ERR_BADVERSION,
- *	-FDT_ERR_BADSTATE,
- *	-FDT_ERR_BADSTRUCTURE,
- *	-FDT_ERR_TRUNCATED, standard meanings.
- */
-int fdt_path_offset(const void *fdt, const char *path);
-
-/**
- * fdt_get_name - retrieve the name of a given node
- * @fdt: pointer to the device tree blob
- * @nodeoffset: structure block offset of the starting node
- * @lenp: pointer to an integer variable (will be overwritten) or NULL
- *
- * fdt_get_name() retrieves the name (including unit address) of the
- * device tree node at structure block offset nodeoffset.  If lenp is
- * non-NULL, the length of this name is also returned, in the integer
- * pointed to by lenp.
- *
- * returns:
- *	pointer to the node's name, on success
- *		If lenp is non-NULL, *lenp contains the length of that name (>=0)
- *	NULL, on error
- *		if lenp is non-NULL *lenp contains an error code (<0):
- *		-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
- *		-FDT_ERR_BADMAGIC,
- *		-FDT_ERR_BADVERSION,
- *		-FDT_ERR_BADSTATE, standard meanings
- */
-const char *fdt_get_name(const void *fdt, int nodeoffset, int *lenp);
-
-/**
- * fdt_first_property_offset - find the offset of a node's first property
- * @fdt: pointer to the device tree blob
- * @nodeoffset: structure block offset of a node
- *
- * fdt_first_property_offset() finds the first property of the node at
- * the given structure block offset.
- *
- * returns:
- *	structure block offset of the property (>=0), on success
- *	-FDT_ERR_NOTFOUND, if the requested node has no properties
- *	-FDT_ERR_BADOFFSET, if nodeoffset did not point to an FDT_BEGIN_NODE tag
- *      -FDT_ERR_BADMAGIC,
- *	-FDT_ERR_BADVERSION,
- *	-FDT_ERR_BADSTATE,
- *	-FDT_ERR_BADSTRUCTURE,
- *	-FDT_ERR_TRUNCATED, standard meanings.
- */
-int fdt_first_property_offset(const void *fdt, int nodeoffset);
-
-/**
- * fdt_next_property_offset - step through a node's properties
- * @fdt: pointer to the device tree blob
- * @offset: structure block offset of a property
- *
- * fdt_next_property_offset() finds the property immediately after the
- * one at the given structure block offset.  This will be a property
- * of the same node as the given property.
- *
- * returns:
- *	structure block offset of the next property (>=0), on success
- *	-FDT_ERR_NOTFOUND, if the given property is the last in its node
- *	-FDT_ERR_BADOFFSET, if nodeoffset did not point to an FDT_PROP tag
- *      -FDT_ERR_BADMAGIC,
- *	-FDT_ERR_BADVERSION,
- *	-FDT_ERR_BADSTATE,
- *	-FDT_ERR_BADSTRUCTURE,
- *	-FDT_ERR_TRUNCATED, standard meanings.
- */
-int fdt_next_property_offset(const void *fdt, int offset);
-
-/**
- * fdt_get_property_by_offset - retrieve the property at a given offset
- * @fdt: pointer to the device tree blob
- * @offset: offset of the property to retrieve
- * @lenp: pointer to an integer variable (will be overwritten) or NULL
- *
- * fdt_get_property_by_offset() retrieves a pointer to the
- * fdt_property structure within the device tree blob at the given
- * offset.  If lenp is non-NULL, the length of the property value is
- * also returned, in the integer pointed to by lenp.
- *
- * returns:
- *	pointer to the structure representing the property
- *		if lenp is non-NULL, *lenp contains the length of the property
- *		value (>=0)
- *	NULL, on error
- *		if lenp is non-NULL, *lenp contains an error code (<0):
- *		-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_PROP tag
- *		-FDT_ERR_BADMAGIC,
- *		-FDT_ERR_BADVERSION,
- *		-FDT_ERR_BADSTATE,
- *		-FDT_ERR_BADSTRUCTURE,
- *		-FDT_ERR_TRUNCATED, standard meanings
- */
-const struct fdt_property *fdt_get_property_by_offset(const void *fdt,
-						      int offset,
-						      int *lenp);
-
-/**
- * fdt_get_property_namelen - find a property based on substring
- * @fdt: pointer to the device tree blob
- * @nodeoffset: offset of the node whose property to find
- * @name: name of the property to find
- * @namelen: number of characters of name to consider
- * @lenp: pointer to an integer variable (will be overwritten) or NULL
- *
- * Identical to fdt_get_property_namelen(), but only examine the first
- * namelen characters of name for matching the property name.
- */
-const struct fdt_property *fdt_get_property_namelen(const void *fdt,
-						    int nodeoffset,
-						    const char *name,
-						    int namelen, int *lenp);
-
-/**
- * fdt_get_property - find a given property in a given node
- * @fdt: pointer to the device tree blob
- * @nodeoffset: offset of the node whose property to find
- * @name: name of the property to find
- * @lenp: pointer to an integer variable (will be overwritten) or NULL
- *
- * fdt_get_property() retrieves a pointer to the fdt_property
- * structure within the device tree blob corresponding to the property
- * named 'name' of the node at offset nodeoffset.  If lenp is
- * non-NULL, the length of the property value is also returned, in the
- * integer pointed to by lenp.
- *
- * returns:
- *	pointer to the structure representing the property
- *		if lenp is non-NULL, *lenp contains the length of the property
- *		value (>=0)
- *	NULL, on error
- *		if lenp is non-NULL, *lenp contains an error code (<0):
- *		-FDT_ERR_NOTFOUND, node does not have named property
- *		-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
- *		-FDT_ERR_BADMAGIC,
- *		-FDT_ERR_BADVERSION,
- *		-FDT_ERR_BADSTATE,
- *		-FDT_ERR_BADSTRUCTURE,
- *		-FDT_ERR_TRUNCATED, standard meanings
- */
-const struct fdt_property *fdt_get_property(const void *fdt, int nodeoffset,
-					    const char *name, int *lenp);
-static inline struct fdt_property *fdt_get_property_w(void *fdt, int nodeoffset,
-						      const char *name,
-						      int *lenp)
-{
-	return (struct fdt_property *)(uintptr_t)
-		fdt_get_property(fdt, nodeoffset, name, lenp);
-}
-
-/**
- * fdt_getprop_by_offset - retrieve the value of a property at a given offset
- * @fdt: pointer to the device tree blob
- * @ffset: offset of the property to read
- * @namep: pointer to a string variable (will be overwritten) or NULL
- * @lenp: pointer to an integer variable (will be overwritten) or NULL
- *
- * fdt_getprop_by_offset() retrieves a pointer to the value of the
- * property at structure block offset 'offset' (this will be a pointer
- * to within the device blob itself, not a copy of the value).  If
- * lenp is non-NULL, the length of the property value is also
- * returned, in the integer pointed to by lenp.  If namep is non-NULL,
- * the property's namne will also be returned in the char * pointed to
- * by namep (this will be a pointer to within the device tree's string
- * block, not a new copy of the name).
- *
- * returns:
- *	pointer to the property's value
- *		if lenp is non-NULL, *lenp contains the length of the property
- *		value (>=0)
- *		if namep is non-NULL *namep contiains a pointer to the property
- *		name.
- *	NULL, on error
- *		if lenp is non-NULL, *lenp contains an error code (<0):
- *		-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_PROP tag
- *		-FDT_ERR_BADMAGIC,
- *		-FDT_ERR_BADVERSION,
- *		-FDT_ERR_BADSTATE,
- *		-FDT_ERR_BADSTRUCTURE,
- *		-FDT_ERR_TRUNCATED, standard meanings
- */
-const void *fdt_getprop_by_offset(const void *fdt, int offset,
-				  const char **namep, int *lenp);
-
-/**
- * fdt_getprop_namelen - get property value based on substring
- * @fdt: pointer to the device tree blob
- * @nodeoffset: offset of the node whose property to find
- * @name: name of the property to find
- * @namelen: number of characters of name to consider
- * @lenp: pointer to an integer variable (will be overwritten) or NULL
- *
- * Identical to fdt_getprop(), but only examine the first namelen
- * characters of name for matching the property name.
- */
-const void *fdt_getprop_namelen(const void *fdt, int nodeoffset,
-				const char *name, int namelen, int *lenp);
-
-/**
- * fdt_getprop - retrieve the value of a given property
- * @fdt: pointer to the device tree blob
- * @nodeoffset: offset of the node whose property to find
- * @name: name of the property to find
- * @lenp: pointer to an integer variable (will be overwritten) or NULL
- *
- * fdt_getprop() retrieves a pointer to the value of the property
- * named 'name' of the node at offset nodeoffset (this will be a
- * pointer to within the device blob itself, not a copy of the value).
- * If lenp is non-NULL, the length of the property value is also
- * returned, in the integer pointed to by lenp.
- *
- * returns:
- *	pointer to the property's value
- *		if lenp is non-NULL, *lenp contains the length of the property
- *		value (>=0)
- *	NULL, on error
- *		if lenp is non-NULL, *lenp contains an error code (<0):
- *		-FDT_ERR_NOTFOUND, node does not have named property
- *		-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
- *		-FDT_ERR_BADMAGIC,
- *		-FDT_ERR_BADVERSION,
- *		-FDT_ERR_BADSTATE,
- *		-FDT_ERR_BADSTRUCTURE,
- *		-FDT_ERR_TRUNCATED, standard meanings
- */
-const void *fdt_getprop(const void *fdt, int nodeoffset,
-			const char *name, int *lenp);
-static inline void *fdt_getprop_w(void *fdt, int nodeoffset,
-				  const char *name, int *lenp)
-{
-	return (void *)(uintptr_t)fdt_getprop(fdt, nodeoffset, name, lenp);
-}
-
-/**
- * fdt_get_phandle - retrieve the phandle of a given node
- * @fdt: pointer to the device tree blob
- * @nodeoffset: structure block offset of the node
- *
- * fdt_get_phandle() retrieves the phandle of the device tree node at
- * structure block offset nodeoffset.
- *
- * returns:
- *	the phandle of the node at nodeoffset, on success (!= 0, != -1)
- *	0, if the node has no phandle, or another error occurs
- */
-uint32_t fdt_get_phandle(const void *fdt, int nodeoffset);
-
-/**
- * fdt_get_alias_namelen - get alias based on substring
- * @fdt: pointer to the device tree blob
- * @name: name of the alias th look up
- * @namelen: number of characters of name to consider
- *
- * Identical to fdt_get_alias(), but only examine the first namelen
- * characters of name for matching the alias name.
- */
-const char *fdt_get_alias_namelen(const void *fdt,
-				  const char *name, int namelen);
-
-/**
- * fdt_get_alias - retreive the path referenced by a given alias
- * @fdt: pointer to the device tree blob
- * @name: name of the alias th look up
- *
- * fdt_get_alias() retrieves the value of a given alias.  That is, the
- * value of the property named 'name' in the node /aliases.
- *
- * returns:
- *	a pointer to the expansion of the alias named 'name', of it exists
- *	NULL, if the given alias or the /aliases node does not exist
- */
-const char *fdt_get_alias(const void *fdt, const char *name);
-
-/**
- * fdt_get_path - determine the full path of a node
- * @fdt: pointer to the device tree blob
- * @nodeoffset: offset of the node whose path to find
- * @buf: character buffer to contain the returned path (will be overwritten)
- * @buflen: size of the character buffer at buf
- *
- * fdt_get_path() computes the full path of the node at offset
- * nodeoffset, and records that path in the buffer at buf.
- *
- * NOTE: This function is expensive, as it must scan the device tree
- * structure from the start to nodeoffset.
- *
- * returns:
- *	0, on success
- *		buf contains the absolute path of the node at
- *		nodeoffset, as a NUL-terminated string.
- * 	-FDT_ERR_BADOFFSET, nodeoffset does not refer to a BEGIN_NODE tag
- *	-FDT_ERR_NOSPACE, the path of the given node is longer than (bufsize-1)
- *		characters and will not fit in the given buffer.
- *	-FDT_ERR_BADMAGIC,
- *	-FDT_ERR_BADVERSION,
- *	-FDT_ERR_BADSTATE,
- *	-FDT_ERR_BADSTRUCTURE, standard meanings
- */
-int fdt_get_path(const void *fdt, int nodeoffset, char *buf, int buflen);
-
-/**
- * fdt_supernode_atdepth_offset - find a specific ancestor of a node
- * @fdt: pointer to the device tree blob
- * @nodeoffset: offset of the node whose parent to find
- * @supernodedepth: depth of the ancestor to find
- * @nodedepth: pointer to an integer variable (will be overwritten) or NULL
- *
- * fdt_supernode_atdepth_offset() finds an ancestor of the given node
- * at a specific depth from the root (where the root itself has depth
- * 0, its immediate subnodes depth 1 and so forth).  So
- *	fdt_supernode_atdepth_offset(fdt, nodeoffset, 0, NULL);
- * will always return 0, the offset of the root node.  If the node at
- * nodeoffset has depth D, then:
- *	fdt_supernode_atdepth_offset(fdt, nodeoffset, D, NULL);
- * will return nodeoffset itself.
- *
- * NOTE: This function is expensive, as it must scan the device tree
- * structure from the start to nodeoffset.
- *
- * returns:
-
- *	structure block offset of the node at node offset's ancestor
- *		of depth supernodedepth (>=0), on success
- * 	-FDT_ERR_BADOFFSET, nodeoffset does not refer to a BEGIN_NODE tag
-*	-FDT_ERR_NOTFOUND, supernodedepth was greater than the depth of nodeoffset
- *	-FDT_ERR_BADMAGIC,
- *	-FDT_ERR_BADVERSION,
- *	-FDT_ERR_BADSTATE,
- *	-FDT_ERR_BADSTRUCTURE, standard meanings
- */
-int fdt_supernode_atdepth_offset(const void *fdt, int nodeoffset,
-				 int supernodedepth, int *nodedepth);
-
-/**
- * fdt_node_depth - find the depth of a given node
- * @fdt: pointer to the device tree blob
- * @nodeoffset: offset of the node whose parent to find
- *
- * fdt_node_depth() finds the depth of a given node.  The root node
- * has depth 0, its immediate subnodes depth 1 and so forth.
- *
- * NOTE: This function is expensive, as it must scan the device tree
- * structure from the start to nodeoffset.
- *
- * returns:
- *	depth of the node at nodeoffset (>=0), on success
- * 	-FDT_ERR_BADOFFSET, nodeoffset does not refer to a BEGIN_NODE tag
- *	-FDT_ERR_BADMAGIC,
- *	-FDT_ERR_BADVERSION,
- *	-FDT_ERR_BADSTATE,
- *	-FDT_ERR_BADSTRUCTURE, standard meanings
- */
-int fdt_node_depth(const void *fdt, int nodeoffset);
-
-/**
- * fdt_parent_offset - find the parent of a given node
- * @fdt: pointer to the device tree blob
- * @nodeoffset: offset of the node whose parent to find
- *
- * fdt_parent_offset() locates the parent node of a given node (that
- * is, it finds the offset of the node which contains the node at
- * nodeoffset as a subnode).
- *
- * NOTE: This function is expensive, as it must scan the device tree
- * structure from the start to nodeoffset, *twice*.
- *
- * returns:
- *	structure block offset of the parent of the node at nodeoffset
- *		(>=0), on success
- * 	-FDT_ERR_BADOFFSET, nodeoffset does not refer to a BEGIN_NODE tag
- *	-FDT_ERR_BADMAGIC,
- *	-FDT_ERR_BADVERSION,
- *	-FDT_ERR_BADSTATE,
- *	-FDT_ERR_BADSTRUCTURE, standard meanings
- */
-int fdt_parent_offset(const void *fdt, int nodeoffset);
-
-/**
- * fdt_node_offset_by_prop_value - find nodes with a given property value
- * @fdt: pointer to the device tree blob
- * @startoffset: only find nodes after this offset
- * @propname: property name to check
- * @propval: property value to search for
- * @proplen: length of the value in propval
- *
- * fdt_node_offset_by_prop_value() returns the offset of the first
- * node after startoffset, which has a property named propname whose
- * value is of length proplen and has value equal to propval; or if
- * startoffset is -1, the very first such node in the tree.
- *
- * To iterate through all nodes matching the criterion, the following
- * idiom can be used:
- *	offset = fdt_node_offset_by_prop_value(fdt, -1, propname,
- *					       propval, proplen);
- *	while (offset != -FDT_ERR_NOTFOUND) {
- *		// other code here
- *		offset = fdt_node_offset_by_prop_value(fdt, offset, propname,
- *						       propval, proplen);
- *	}
- *
- * Note the -1 in the first call to the function, if 0 is used here
- * instead, the function will never locate the root node, even if it
- * matches the criterion.
- *
- * returns:
- *	structure block offset of the located node (>= 0, >startoffset),
- *		 on success
- *	-FDT_ERR_NOTFOUND, no node matching the criterion exists in the
- *		tree after startoffset
- * 	-FDT_ERR_BADOFFSET, nodeoffset does not refer to a BEGIN_NODE tag
- *	-FDT_ERR_BADMAGIC,
- *	-FDT_ERR_BADVERSION,
- *	-FDT_ERR_BADSTATE,
- *	-FDT_ERR_BADSTRUCTURE, standard meanings
- */
-int fdt_node_offset_by_prop_value(const void *fdt, int startoffset,
-				  const char *propname,
-				  const void *propval, int proplen);
-
-/**
- * fdt_node_offset_by_phandle - find the node with a given phandle
- * @fdt: pointer to the device tree blob
- * @phandle: phandle value
- *
- * fdt_node_offset_by_phandle() returns the offset of the node
- * which has the given phandle value.  If there is more than one node
- * in the tree with the given phandle (an invalid tree), results are
- * undefined.
- *
- * returns:
- *	structure block offset of the located node (>= 0), on success
- *	-FDT_ERR_NOTFOUND, no node with that phandle exists
- *	-FDT_ERR_BADPHANDLE, given phandle value was invalid (0 or -1)
- *	-FDT_ERR_BADMAGIC,
- *	-FDT_ERR_BADVERSION,
- *	-FDT_ERR_BADSTATE,
- *	-FDT_ERR_BADSTRUCTURE, standard meanings
- */
-int fdt_node_offset_by_phandle(const void *fdt, uint32_t phandle);
-
-/**
- * fdt_node_check_compatible: check a node's compatible property
- * @fdt: pointer to the device tree blob
- * @nodeoffset: offset of a tree node
- * @compatible: string to match against
- *
- *
- * fdt_node_check_compatible() returns 0 if the given node contains a
- * 'compatible' property with the given string as one of its elements,
- * it returns non-zero otherwise, or on error.
- *
- * returns:
- *	0, if the node has a 'compatible' property listing the given string
- *	1, if the node has a 'compatible' property, but it does not list
- *		the given string
- *	-FDT_ERR_NOTFOUND, if the given node has no 'compatible' property
- * 	-FDT_ERR_BADOFFSET, if nodeoffset does not refer to a BEGIN_NODE tag
- *	-FDT_ERR_BADMAGIC,
- *	-FDT_ERR_BADVERSION,
- *	-FDT_ERR_BADSTATE,
- *	-FDT_ERR_BADSTRUCTURE, standard meanings
- */
-int fdt_node_check_compatible(const void *fdt, int nodeoffset,
-			      const char *compatible);
-
-/**
- * fdt_node_offset_by_compatible - find nodes with a given 'compatible' value
- * @fdt: pointer to the device tree blob
- * @startoffset: only find nodes after this offset
- * @compatible: 'compatible' string to match against
- *
- * fdt_node_offset_by_compatible() returns the offset of the first
- * node after startoffset, which has a 'compatible' property which
- * lists the given compatible string; or if startoffset is -1, the
- * very first such node in the tree.
- *
- * To iterate through all nodes matching the criterion, the following
- * idiom can be used:
- *	offset = fdt_node_offset_by_compatible(fdt, -1, compatible);
- *	while (offset != -FDT_ERR_NOTFOUND) {
- *		// other code here
- *		offset = fdt_node_offset_by_compatible(fdt, offset, compatible);
- *	}
- *
- * Note the -1 in the first call to the function, if 0 is used here
- * instead, the function will never locate the root node, even if it
- * matches the criterion.
- *
- * returns:
- *	structure block offset of the located node (>= 0, >startoffset),
- *		 on success
- *	-FDT_ERR_NOTFOUND, no node matching the criterion exists in the
- *		tree after startoffset
- * 	-FDT_ERR_BADOFFSET, nodeoffset does not refer to a BEGIN_NODE tag
- *	-FDT_ERR_BADMAGIC,
- *	-FDT_ERR_BADVERSION,
- *	-FDT_ERR_BADSTATE,
- *	-FDT_ERR_BADSTRUCTURE, standard meanings
- */
-int fdt_node_offset_by_compatible(const void *fdt, int startoffset,
-				  const char *compatible);
-
-/**********************************************************************/
-/* Write-in-place functions                                           */
-/**********************************************************************/
-
-/**
- * fdt_setprop_inplace - change a property's value, but not its size
- * @fdt: pointer to the device tree blob
- * @nodeoffset: offset of the node whose property to change
- * @name: name of the property to change
- * @val: pointer to data to replace the property value with
- * @len: length of the property value
- *
- * fdt_setprop_inplace() replaces the value of a given property with
- * the data in val, of length len.  This function cannot change the
- * size of a property, and so will only work if len is equal to the
- * current length of the property.
- *
- * This function will alter only the bytes in the blob which contain
- * the given property value, and will not alter or move any other part
- * of the tree.
- *
- * returns:
- *	0, on success
- *	-FDT_ERR_NOSPACE, if len is not equal to the property's current length
- *	-FDT_ERR_NOTFOUND, node does not have the named property
- *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
- *	-FDT_ERR_BADMAGIC,
- *	-FDT_ERR_BADVERSION,
- *	-FDT_ERR_BADSTATE,
- *	-FDT_ERR_BADSTRUCTURE,
- *	-FDT_ERR_TRUNCATED, standard meanings
- */
-int fdt_setprop_inplace(void *fdt, int nodeoffset, const char *name,
-			const void *val, int len);
-
-/**
- * fdt_setprop_inplace_cell - change the value of a single-cell property
- * @fdt: pointer to the device tree blob
- * @nodeoffset: offset of the node whose property to change
- * @name: name of the property to change
- * @val: cell (32-bit integer) value to replace the property with
- *
- * fdt_setprop_inplace_cell() replaces the value of a given property
- * with the 32-bit integer cell value in val, converting val to
- * big-endian if necessary.  This function cannot change the size of a
- * property, and so will only work if the property already exists and
- * has length 4.
- *
- * This function will alter only the bytes in the blob which contain
- * the given property value, and will not alter or move any other part
- * of the tree.
- *
- * returns:
- *	0, on success
- *	-FDT_ERR_NOSPACE, if the property's length is not equal to 4
-  *	-FDT_ERR_NOTFOUND, node does not have the named property
- *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
- *	-FDT_ERR_BADMAGIC,
- *	-FDT_ERR_BADVERSION,
- *	-FDT_ERR_BADSTATE,
- *	-FDT_ERR_BADSTRUCTURE,
- *	-FDT_ERR_TRUNCATED, standard meanings
- */
-static inline int fdt_setprop_inplace_cell(void *fdt, int nodeoffset,
-					   const char *name, uint32_t val)
-{
-	val = cpu_to_fdt32(val);
-	return fdt_setprop_inplace(fdt, nodeoffset, name, &val, sizeof(val));
-}
-
-/**
- * fdt_nop_property - replace a property with nop tags
- * @fdt: pointer to the device tree blob
- * @nodeoffset: offset of the node whose property to nop
- * @name: name of the property to nop
- *
- * fdt_nop_property() will replace a given property's representation
- * in the blob with FDT_NOP tags, effectively removing it from the
- * tree.
- *
- * This function will alter only the bytes in the blob which contain
- * the property, and will not alter or move any other part of the
- * tree.
- *
- * returns:
- *	0, on success
- *	-FDT_ERR_NOTFOUND, node does not have the named property
- *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
- *	-FDT_ERR_BADMAGIC,
- *	-FDT_ERR_BADVERSION,
- *	-FDT_ERR_BADSTATE,
- *	-FDT_ERR_BADSTRUCTURE,
- *	-FDT_ERR_TRUNCATED, standard meanings
- */
-int fdt_nop_property(void *fdt, int nodeoffset, const char *name);
-
-/**
- * fdt_nop_node - replace a node (subtree) with nop tags
- * @fdt: pointer to the device tree blob
- * @nodeoffset: offset of the node to nop
- *
- * fdt_nop_node() will replace a given node's representation in the
- * blob, including all its subnodes, if any, with FDT_NOP tags,
- * effectively removing it from the tree.
- *
- * This function will alter only the bytes in the blob which contain
- * the node and its properties and subnodes, and will not alter or
- * move any other part of the tree.
- *
- * returns:
- *	0, on success
- *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
- *	-FDT_ERR_BADMAGIC,
- *	-FDT_ERR_BADVERSION,
- *	-FDT_ERR_BADSTATE,
- *	-FDT_ERR_BADSTRUCTURE,
- *	-FDT_ERR_TRUNCATED, standard meanings
- */
-int fdt_nop_node(void *fdt, int nodeoffset);
-
-/**********************************************************************/
-/* Sequential write functions                                         */
-/**********************************************************************/
-
-int fdt_create(void *buf, int bufsize);
-int fdt_add_reservemap_entry(void *fdt, uint64_t addr, uint64_t size);
-int fdt_finish_reservemap(void *fdt);
-int fdt_begin_node(void *fdt, const char *name);
-int fdt_property(void *fdt, const char *name, const void *val, int len);
-static inline int fdt_property_cell(void *fdt, const char *name, uint32_t val)
-{
-	val = cpu_to_fdt32(val);
-	return fdt_property(fdt, name, &val, sizeof(val));
-}
-#define fdt_property_string(fdt, name, str) \
-	fdt_property(fdt, name, str, strlen(str)+1)
-int fdt_end_node(void *fdt);
-int fdt_finish(void *fdt);
-
-/**********************************************************************/
-/* Read-write functions                                               */
-/**********************************************************************/
-
-int fdt_open_into(const void *fdt, void *buf, int bufsize);
-int fdt_pack(void *fdt);
-
-/**
- * fdt_add_mem_rsv - add one memory reserve map entry
- * @fdt: pointer to the device tree blob
- * @address, @size: 64-bit values (native endian)
- *
- * Adds a reserve map entry to the given blob reserving a region at
- * address address of length size.
- *
- * This function will insert data into the reserve map and will
- * therefore change the indexes of some entries in the table.
- *
- * returns:
- *	0, on success
- *	-FDT_ERR_NOSPACE, there is insufficient free space in the blob to
- *		contain the new reservation entry
- *	-FDT_ERR_BADMAGIC,
- *	-FDT_ERR_BADVERSION,
- *	-FDT_ERR_BADSTATE,
- *	-FDT_ERR_BADSTRUCTURE,
- *	-FDT_ERR_BADLAYOUT,
- *	-FDT_ERR_TRUNCATED, standard meanings
- */
-int fdt_add_mem_rsv(void *fdt, uint64_t address, uint64_t size);
-
-/**
- * fdt_del_mem_rsv - remove a memory reserve map entry
- * @fdt: pointer to the device tree blob
- * @n: entry to remove
- *
- * fdt_del_mem_rsv() removes the n-th memory reserve map entry from
- * the blob.
- *
- * This function will delete data from the reservation table and will
- * therefore change the indexes of some entries in the table.
- *
- * returns:
- *	0, on success
- *	-FDT_ERR_NOTFOUND, there is no entry of the given index (i.e. there
- *		are less than n+1 reserve map entries)
- *	-FDT_ERR_BADMAGIC,
- *	-FDT_ERR_BADVERSION,
- *	-FDT_ERR_BADSTATE,
- *	-FDT_ERR_BADSTRUCTURE,
- *	-FDT_ERR_BADLAYOUT,
- *	-FDT_ERR_TRUNCATED, standard meanings
- */
-int fdt_del_mem_rsv(void *fdt, int n);
-
-/**
- * fdt_set_name - change the name of a given node
- * @fdt: pointer to the device tree blob
- * @nodeoffset: structure block offset of a node
- * @name: name to give the node
- *
- * fdt_set_name() replaces the name (including unit address, if any)
- * of the given node with the given string.  NOTE: this function can't
- * efficiently check if the new name is unique amongst the given
- * node's siblings; results are undefined if this function is invoked
- * with a name equal to one of the given node's siblings.
- *
- * This function may insert or delete data from the blob, and will
- * therefore change the offsets of some existing nodes.
- *
- * returns:
- *	0, on success
- *	-FDT_ERR_NOSPACE, there is insufficient free space in the blob
- *		to contain the new name
- *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
- *	-FDT_ERR_BADMAGIC,
- *	-FDT_ERR_BADVERSION,
- *	-FDT_ERR_BADSTATE, standard meanings
- */
-int fdt_set_name(void *fdt, int nodeoffset, const char *name);
-
-/**
- * fdt_setprop - create or change a property
- * @fdt: pointer to the device tree blob
- * @nodeoffset: offset of the node whose property to change
- * @name: name of the property to change
- * @val: pointer to data to set the property value to
- * @len: length of the property value
- *
- * fdt_setprop() sets the value of the named property in the given
- * node to the given value and length, creating the property if it
- * does not already exist.
- *
- * This function may insert or delete data from the blob, and will
- * therefore change the offsets of some existing nodes.
- *
- * returns:
- *	0, on success
- *	-FDT_ERR_NOSPACE, there is insufficient free space in the blob to
- *		contain the new property value
- *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
- *	-FDT_ERR_BADLAYOUT,
- *	-FDT_ERR_BADMAGIC,
- *	-FDT_ERR_BADVERSION,
- *	-FDT_ERR_BADSTATE,
- *	-FDT_ERR_BADSTRUCTURE,
- *	-FDT_ERR_BADLAYOUT,
- *	-FDT_ERR_TRUNCATED, standard meanings
- */
-int fdt_setprop(void *fdt, int nodeoffset, const char *name,
-		const void *val, int len);
-
-/**
- * fdt_setprop_cell - set a property to a single cell value
- * @fdt: pointer to the device tree blob
- * @nodeoffset: offset of the node whose property to change
- * @name: name of the property to change
- * @val: 32-bit integer value for the property (native endian)
- *
- * fdt_setprop_cell() sets the value of the named property in the
- * given node to the given cell value (converting to big-endian if
- * necessary), or creates a new property with that value if it does
- * not already exist.
- *
- * This function may insert or delete data from the blob, and will
- * therefore change the offsets of some existing nodes.
- *
- * returns:
- *	0, on success
- *	-FDT_ERR_NOSPACE, there is insufficient free space in the blob to
- *		contain the new property value
- *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
- *	-FDT_ERR_BADLAYOUT,
- *	-FDT_ERR_BADMAGIC,
- *	-FDT_ERR_BADVERSION,
- *	-FDT_ERR_BADSTATE,
- *	-FDT_ERR_BADSTRUCTURE,
- *	-FDT_ERR_BADLAYOUT,
- *	-FDT_ERR_TRUNCATED, standard meanings
- */
-static inline int fdt_setprop_cell(void *fdt, int nodeoffset, const char *name,
-				   uint32_t val)
-{
-	val = cpu_to_fdt32(val);
-	return fdt_setprop(fdt, nodeoffset, name, &val, sizeof(val));
-}
-
-/**
- * fdt_setprop_string - set a property to a string value
- * @fdt: pointer to the device tree blob
- * @nodeoffset: offset of the node whose property to change
- * @name: name of the property to change
- * @str: string value for the property
- *
- * fdt_setprop_string() sets the value of the named property in the
- * given node to the given string value (using the length of the
- * string to determine the new length of the property), or creates a
- * new property with that value if it does not already exist.
- *
- * This function may insert or delete data from the blob, and will
- * therefore change the offsets of some existing nodes.
- *
- * returns:
- *	0, on success
- *	-FDT_ERR_NOSPACE, there is insufficient free space in the blob to
- *		contain the new property value
- *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
- *	-FDT_ERR_BADLAYOUT,
- *	-FDT_ERR_BADMAGIC,
- *	-FDT_ERR_BADVERSION,
- *	-FDT_ERR_BADSTATE,
- *	-FDT_ERR_BADSTRUCTURE,
- *	-FDT_ERR_BADLAYOUT,
- *	-FDT_ERR_TRUNCATED, standard meanings
- */
-#define fdt_setprop_string(fdt, nodeoffset, name, str) \
-	fdt_setprop((fdt), (nodeoffset), (name), (str), strlen(str)+1)
-
-/**
- * fdt_delprop - delete a property
- * @fdt: pointer to the device tree blob
- * @nodeoffset: offset of the node whose property to nop
- * @name: name of the property to nop
- *
- * fdt_del_property() will delete the given property.
- *
- * This function will delete data from the blob, and will therefore
- * change the offsets of some existing nodes.
- *
- * returns:
- *	0, on success
- *	-FDT_ERR_NOTFOUND, node does not have the named property
- *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
- *	-FDT_ERR_BADLAYOUT,
- *	-FDT_ERR_BADMAGIC,
- *	-FDT_ERR_BADVERSION,
- *	-FDT_ERR_BADSTATE,
- *	-FDT_ERR_BADSTRUCTURE,
- *	-FDT_ERR_TRUNCATED, standard meanings
- */
-int fdt_delprop(void *fdt, int nodeoffset, const char *name);
-
-/**
- * fdt_add_subnode_namelen - creates a new node based on substring
- * @fdt: pointer to the device tree blob
- * @parentoffset: structure block offset of a node
- * @name: name of the subnode to locate
- * @namelen: number of characters of name to consider
- *
- * Identical to fdt_add_subnode(), but use only the first namelen
- * characters of name as the name of the new node.  This is useful for
- * creating subnodes based on a portion of a larger string, such as a
- * full path.
- */
-int fdt_add_subnode_namelen(void *fdt, int parentoffset,
-			    const char *name, int namelen);
-
-/**
- * fdt_add_subnode - creates a new node
- * @fdt: pointer to the device tree blob
- * @parentoffset: structure block offset of a node
- * @name: name of the subnode to locate
- *
- * fdt_add_subnode() creates a new node as a subnode of the node at
- * structure block offset parentoffset, with the given name (which
- * should include the unit address, if any).
- *
- * This function will insert data into the blob, and will therefore
- * change the offsets of some existing nodes.
-
- * returns:
- *	structure block offset of the created nodeequested subnode (>=0), on success
- *	-FDT_ERR_NOTFOUND, if the requested subnode does not exist
- *	-FDT_ERR_BADOFFSET, if parentoffset did not point to an FDT_BEGIN_NODE tag
- *	-FDT_ERR_EXISTS, if the node at parentoffset already has a subnode of
- *		the given name
- *	-FDT_ERR_NOSPACE, if there is insufficient free space in the
- *		blob to contain the new node
- *	-FDT_ERR_NOSPACE
- *	-FDT_ERR_BADLAYOUT
- *      -FDT_ERR_BADMAGIC,
- *	-FDT_ERR_BADVERSION,
- *	-FDT_ERR_BADSTATE,
- *	-FDT_ERR_BADSTRUCTURE,
- *	-FDT_ERR_TRUNCATED, standard meanings.
- */
-int fdt_add_subnode(void *fdt, int parentoffset, const char *name);
-
-/**
- * fdt_del_node - delete a node (subtree)
- * @fdt: pointer to the device tree blob
- * @nodeoffset: offset of the node to nop
- *
- * fdt_del_node() will remove the given node, including all its
- * subnodes if any, from the blob.
- *
- * This function will delete data from the blob, and will therefore
- * change the offsets of some existing nodes.
- *
- * returns:
- *	0, on success
- *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
- *	-FDT_ERR_BADLAYOUT,
- *	-FDT_ERR_BADMAGIC,
- *	-FDT_ERR_BADVERSION,
- *	-FDT_ERR_BADSTATE,
- *	-FDT_ERR_BADSTRUCTURE,
- *	-FDT_ERR_TRUNCATED, standard meanings
- */
-int fdt_del_node(void *fdt, int nodeoffset);
-
-/**********************************************************************/
-/* Debugging / informational functions                                */
-/**********************************************************************/
-
-const char *fdt_strerror(int errval);
-
-#endif /* _LIBFDT_H */
diff --git a/include/libfdt_env.h b/include/libfdt_env.h
deleted file mode 100644
index 6486187..0000000
--- a/include/libfdt_env.h
+++ /dev/null
@@ -1,21 +0,0 @@
-#ifndef _LIBFDT_ENV_H
-#define _LIBFDT_ENV_H
-
-#include <linux/types.h>
-#include <string.h>
-#include <asm/byteorder.h>
-
-#define _B(n)	((unsigned long long)((uint8_t *)&x)[n])
-
-#define fdt32_to_cpu(x)	be32_to_cpu(x)
-#define cpu_to_fdt32(x) cpu_to_be32(x)
-
-static inline uint64_t fdt64_to_cpu(uint64_t x)
-{
-	return (_B(0) << 56) | (_B(1) << 48) | (_B(2) << 40) | (_B(3) << 32)
-		| (_B(4) << 24) | (_B(5) << 16) | (_B(6) << 8) | _B(7);
-}
-#define cpu_to_fdt64(x) fdt64_to_cpu(x)
-#undef _B
-
-#endif /* _LIBFDT_ENV_H */
diff --git a/include/of.h b/include/of.h
index 66b9fde..9d50694 100644
--- a/include/of.h
+++ b/include/of.h
@@ -5,16 +5,6 @@
 #include <errno.h>
 #include <asm/byteorder.h>
 
-int fdt_print(struct fdt_header *working_fdt, const char *pathp);
-
-int fdt_find_and_setprop(struct fdt_header *fdt, const char *node, const char *prop,
-			 const void *val, int len, int create);
-void do_fixup_by_path(struct fdt_header *fdt, const char *path, const char *prop,
-		      const void *val, int len, int create);
-void do_fixup_by_path_u32(struct fdt_header *fdt, const char *path, const char *prop,
-			  u32 val, int create);
-int fdt_get_path_or_create(struct fdt_header *fdt, const char *path);
-
 #define OF_BAD_ADDR      ((u64)-1)
 
 typedef u32 phandle;
diff --git a/lib/Kconfig b/lib/Kconfig
index d58109b..646fdb7 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -22,9 +22,6 @@ config PROCESS_ESCAPE_SEQUENCE
 
 source lib/lzo/Kconfig
 
-config FDT
-	bool
-
 config BCH
 	bool
 
diff --git a/lib/Makefile b/lib/Makefile
index 3c94542..7c42537 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -31,7 +31,6 @@ obj-y			+= lzo/
 obj-y			+= show_progress.o
 obj-$(CONFIG_LZO_DECOMPRESS)		+= decompress_unlzo.o
 obj-$(CONFIG_PROCESS_ESCAPE_SEQUENCE)	+= process_escape_sequence.o
-obj-$(CONFIG_FDT)	+= fdt/
 obj-$(CONFIG_UNCOMPRESS)	+= uncompress.o
 obj-$(CONFIG_BCH)	+= bch.o
 obj-$(CONFIG_BITREV)	+= bitrev.o
diff --git a/lib/fdt/Makefile b/lib/fdt/Makefile
deleted file mode 100644
index 853bee9..0000000
--- a/lib/fdt/Makefile
+++ /dev/null
@@ -1,2 +0,0 @@
-
-obj-y += fdt.o fdt_ro.o fdt_wip.o fdt_sw.o fdt_rw.o fdt_strerror.o
diff --git a/lib/fdt/TODO b/lib/fdt/TODO
deleted file mode 100644
index 288437e..0000000
--- a/lib/fdt/TODO
+++ /dev/null
@@ -1,3 +0,0 @@
-- Tree traversal functions
-- Graft function
-- Complete libfdt.h documenting comments
diff --git a/lib/fdt/fdt.c b/lib/fdt/fdt.c
deleted file mode 100644
index e56833a..0000000
--- a/lib/fdt/fdt.c
+++ /dev/null
@@ -1,222 +0,0 @@
-/*
- * libfdt - Flat Device Tree manipulation
- * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * libfdt is dual licensed: you can use it either under the terms of
- * the GPL, or the BSD license, at your option.
- *
- *  a) This library 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 library 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 library; if not, write to the Free
- *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
- *     MA 02110-1301 USA
- *
- * Alternatively,
- *
- *  b) Redistribution and use in source and binary forms, with or
- *     without modification, are permitted provided that the following
- *     conditions are met:
- *
- *     1. Redistributions of source code must retain the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer.
- *     2. Redistributions in binary form must reproduce the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer in the documentation and/or other materials
- *        provided with the distribution.
- *
- *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- *     CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- *     INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- *     MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- *     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- *     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- *     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- *     OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
- *     EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-#include "libfdt_env.h"
-
-#include <fdt.h>
-#include <libfdt.h>
-
-#include "libfdt_internal.h"
-
-int fdt_check_header(const void *fdt)
-{
-	if (fdt_magic(fdt) == FDT_MAGIC) {
-		/* Complete tree */
-		if (fdt_version(fdt) < FDT_FIRST_SUPPORTED_VERSION)
-			return -FDT_ERR_BADVERSION;
-		if (fdt_last_comp_version(fdt) > FDT_LAST_SUPPORTED_VERSION)
-			return -FDT_ERR_BADVERSION;
-	} else if (fdt_magic(fdt) == FDT_SW_MAGIC) {
-		/* Unfinished sequential-write blob */
-		if (fdt_size_dt_struct(fdt) == 0)
-			return -FDT_ERR_BADSTATE;
-	} else {
-		return -FDT_ERR_BADMAGIC;
-	}
-
-	return 0;
-}
-
-const void *fdt_offset_ptr(const void *fdt, int offset, unsigned int len)
-{
-	const char *p;
-
-	if (fdt_version(fdt) >= 0x11)
-		if (((offset + len) < offset)
-		    || ((offset + len) > fdt_size_dt_struct(fdt)))
-			return NULL;
-
-	p = _fdt_offset_ptr(fdt, offset);
-
-	if (p + len < p)
-		return NULL;
-	return p;
-}
-
-uint32_t fdt_next_tag(const void *fdt, int startoffset, int *nextoffset)
-{
-	const uint32_t *tagp, *lenp;
-	uint32_t tag;
-	int offset = startoffset;
-	const char *p;
-
-	*nextoffset = -FDT_ERR_TRUNCATED;
-	tagp = fdt_offset_ptr(fdt, offset, FDT_TAGSIZE);
-	if (!tagp)
-		return FDT_END; /* premature end */
-	tag = fdt32_to_cpu(*tagp);
-	offset += FDT_TAGSIZE;
-
-	*nextoffset = -FDT_ERR_BADSTRUCTURE;
-	switch (tag) {
-	case FDT_BEGIN_NODE:
-		/* skip name */
-		do {
-			p = fdt_offset_ptr(fdt, offset++, 1);
-		} while (p && (*p != '\0'));
-		if (!p)
-			return FDT_END; /* premature end */
-		break;
-
-	case FDT_PROP:
-		lenp = fdt_offset_ptr(fdt, offset, sizeof(*lenp));
-		if (!lenp)
-			return FDT_END; /* premature end */
-		/* skip-name offset, length and value */
-		offset += sizeof(struct fdt_property) - FDT_TAGSIZE
-			+ fdt32_to_cpu(*lenp);
-		break;
-
-	case FDT_END:
-	case FDT_END_NODE:
-	case FDT_NOP:
-		break;
-
-	default:
-		return FDT_END;
-	}
-
-	if (!fdt_offset_ptr(fdt, startoffset, offset - startoffset))
-		return FDT_END; /* premature end */
-
-	*nextoffset = FDT_TAGALIGN(offset);
-	return tag;
-}
-
-int _fdt_check_node_offset(const void *fdt, int offset)
-{
-	if ((offset < 0) || (offset % FDT_TAGSIZE)
-	    || (fdt_next_tag(fdt, offset, &offset) != FDT_BEGIN_NODE))
-		return -FDT_ERR_BADOFFSET;
-
-	return offset;
-}
-
-int _fdt_check_prop_offset(const void *fdt, int offset)
-{
-	if ((offset < 0) || (offset % FDT_TAGSIZE)
-	    || (fdt_next_tag(fdt, offset, &offset) != FDT_PROP))
-		return -FDT_ERR_BADOFFSET;
-
-	return offset;
-}
-
-int fdt_next_node(const void *fdt, int offset, int *depth)
-{
-	int nextoffset = 0;
-	uint32_t tag;
-
-	if (offset >= 0)
-		if ((nextoffset = _fdt_check_node_offset(fdt, offset)) < 0)
-			return nextoffset;
-
-	do {
-		offset = nextoffset;
-		tag = fdt_next_tag(fdt, offset, &nextoffset);
-
-		switch (tag) {
-		case FDT_PROP:
-		case FDT_NOP:
-			break;
-
-		case FDT_BEGIN_NODE:
-			if (depth)
-				(*depth)++;
-			break;
-
-		case FDT_END_NODE:
-			if (depth && ((--(*depth)) < 0))
-				return nextoffset;
-			break;
-
-		case FDT_END:
-			if ((nextoffset >= 0)
-			    || ((nextoffset == -FDT_ERR_TRUNCATED) && !depth))
-				return -FDT_ERR_NOTFOUND;
-			else
-				return nextoffset;
-		}
-	} while (tag != FDT_BEGIN_NODE);
-
-	return offset;
-}
-
-const char *_fdt_find_string(const char *strtab, int tabsize, const char *s)
-{
-	int len = strlen(s) + 1;
-	const char *last = strtab + tabsize - len;
-	const char *p;
-
-	for (p = strtab; p <= last; p++)
-		if (memcmp(p, s, len) == 0)
-			return p;
-	return NULL;
-}
-
-int fdt_move(const void *fdt, void *buf, int bufsize)
-{
-	FDT_CHECK_HEADER(fdt);
-
-	if (fdt_totalsize(fdt) > bufsize)
-		return -FDT_ERR_NOSPACE;
-
-	memmove(buf, fdt, fdt_totalsize(fdt));
-	return 0;
-}
diff --git a/lib/fdt/fdt_ro.c b/lib/fdt/fdt_ro.c
deleted file mode 100644
index 02b6d68..0000000
--- a/lib/fdt/fdt_ro.c
+++ /dev/null
@@ -1,574 +0,0 @@
-/*
- * libfdt - Flat Device Tree manipulation
- * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * libfdt is dual licensed: you can use it either under the terms of
- * the GPL, or the BSD license, at your option.
- *
- *  a) This library 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 library 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 library; if not, write to the Free
- *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
- *     MA 02110-1301 USA
- *
- * Alternatively,
- *
- *  b) Redistribution and use in source and binary forms, with or
- *     without modification, are permitted provided that the following
- *     conditions are met:
- *
- *     1. Redistributions of source code must retain the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer.
- *     2. Redistributions in binary form must reproduce the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer in the documentation and/or other materials
- *        provided with the distribution.
- *
- *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- *     CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- *     INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- *     MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- *     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- *     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- *     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- *     OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
- *     EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-#include "libfdt_env.h"
-
-#include <fdt.h>
-#include <libfdt.h>
-
-#include "libfdt_internal.h"
-
-static int _fdt_nodename_eq(const void *fdt, int offset,
-			    const char *s, int len)
-{
-	const char *p = fdt_offset_ptr(fdt, offset + FDT_TAGSIZE, len+1);
-
-	if (! p)
-		/* short match */
-		return 0;
-
-	if (memcmp(p, s, len) != 0)
-		return 0;
-
-	if (p[len] == '\0')
-		return 1;
-	else if (!memchr(s, '@', len) && (p[len] == '@'))
-		return 1;
-	else
-		return 0;
-}
-
-const char *fdt_string(const void *fdt, int stroffset)
-{
-	return (const char *)fdt + fdt_off_dt_strings(fdt) + stroffset;
-}
-
-static int _fdt_string_eq(const void *fdt, int stroffset,
-			  const char *s, int len)
-{
-	const char *p = fdt_string(fdt, stroffset);
-
-	return (strlen(p) == len) && (memcmp(p, s, len) == 0);
-}
-
-int fdt_get_mem_rsv(const void *fdt, int n, uint64_t *address, uint64_t *size)
-{
-	FDT_CHECK_HEADER(fdt);
-	*address = fdt64_to_cpu(_fdt_mem_rsv(fdt, n)->address);
-	*size = fdt64_to_cpu(_fdt_mem_rsv(fdt, n)->size);
-	return 0;
-}
-
-int fdt_num_mem_rsv(const void *fdt)
-{
-	int i = 0;
-
-	while (fdt64_to_cpu(_fdt_mem_rsv(fdt, i)->size) != 0)
-		i++;
-	return i;
-}
-
-static int _nextprop(const void *fdt, int offset)
-{
-	uint32_t tag;
-	int nextoffset;
-
-	do {
-		tag = fdt_next_tag(fdt, offset, &nextoffset);
-
-		switch (tag) {
-		case FDT_END:
-			if (nextoffset >= 0)
-				return -FDT_ERR_BADSTRUCTURE;
-			else
-				return nextoffset;
-
-		case FDT_PROP:
-			return offset;
-		}
-		offset = nextoffset;
-	} while (tag == FDT_NOP);
-
-	return -FDT_ERR_NOTFOUND;
-}
-
-int fdt_subnode_offset_namelen(const void *fdt, int offset,
-			       const char *name, int namelen)
-{
-	int depth;
-
-	FDT_CHECK_HEADER(fdt);
-
-	for (depth = 0;
-	     (offset >= 0) && (depth >= 0);
-	     offset = fdt_next_node(fdt, offset, &depth))
-		if ((depth == 1)
-		    && _fdt_nodename_eq(fdt, offset, name, namelen))
-			return offset;
-
-	if (depth < 0)
-		return -FDT_ERR_NOTFOUND;
-	return offset; /* error */
-}
-
-int fdt_subnode_offset(const void *fdt, int parentoffset,
-		       const char *name)
-{
-	return fdt_subnode_offset_namelen(fdt, parentoffset, name, strlen(name));
-}
-
-int fdt_path_offset(const void *fdt, const char *path)
-{
-	const char *end = path + strlen(path);
-	const char *p = path;
-	int offset = 0;
-
-	FDT_CHECK_HEADER(fdt);
-
-	/* see if we have an alias */
-	if (*path != '/') {
-		const char *q = strchr(path, '/');
-
-		if (!q)
-			q = end;
-
-		p = fdt_get_alias_namelen(fdt, p, q - p);
-		if (!p)
-			return -FDT_ERR_BADPATH;
-		offset = fdt_path_offset(fdt, p);
-
-		p = q;
-	}
-
-	while (*p) {
-		const char *q;
-
-		while (*p == '/')
-			p++;
-		if (! *p)
-			return offset;
-		q = strchr(p, '/');
-		if (! q)
-			q = end;
-
-		offset = fdt_subnode_offset_namelen(fdt, offset, p, q-p);
-		if (offset < 0)
-			return offset;
-
-		p = q;
-	}
-
-	return offset;
-}
-
-const char *fdt_get_name(const void *fdt, int nodeoffset, int *len)
-{
-	const struct fdt_node_header *nh = _fdt_offset_ptr(fdt, nodeoffset);
-	int err;
-
-	if (((err = fdt_check_header(fdt)) != 0)
-	    || ((err = _fdt_check_node_offset(fdt, nodeoffset)) < 0))
-			goto fail;
-
-	if (len)
-		*len = strlen(nh->name);
-
-	return nh->name;
-
- fail:
-	if (len)
-		*len = err;
-	return NULL;
-}
-
-int fdt_first_property_offset(const void *fdt, int nodeoffset)
-{
-	int offset;
-
-	if ((offset = _fdt_check_node_offset(fdt, nodeoffset)) < 0)
-		return offset;
-
-	return _nextprop(fdt, offset);
-}
-
-int fdt_next_property_offset(const void *fdt, int offset)
-{
-	if ((offset = _fdt_check_prop_offset(fdt, offset)) < 0)
-		return offset;
-
-	return _nextprop(fdt, offset);
-}
-
-const struct fdt_property *fdt_get_property_by_offset(const void *fdt,
-						      int offset,
-						      int *lenp)
-{
-	int err;
-	const struct fdt_property *prop;
-
-	if ((err = _fdt_check_prop_offset(fdt, offset)) < 0) {
-		if (lenp)
-			*lenp = err;
-		return NULL;
-	}
-
-	prop = _fdt_offset_ptr(fdt, offset);
-
-	if (lenp)
-		*lenp = fdt32_to_cpu(prop->len);
-
-	return prop;
-}
-
-const struct fdt_property *fdt_get_property_namelen(const void *fdt,
-						    int offset,
-						    const char *name,
-						    int namelen, int *lenp)
-{
-	for (offset = fdt_first_property_offset(fdt, offset);
-	     (offset >= 0);
-	     (offset = fdt_next_property_offset(fdt, offset))) {
-		const struct fdt_property *prop;
-
-		if (!(prop = fdt_get_property_by_offset(fdt, offset, lenp))) {
-			offset = -FDT_ERR_INTERNAL;
-			break;
-		}
-		if (_fdt_string_eq(fdt, fdt32_to_cpu(prop->nameoff),
-				   name, namelen))
-			return prop;
-	}
-
-	if (lenp)
-		*lenp = offset;
-	return NULL;
-}
-
-const struct fdt_property *fdt_get_property(const void *fdt,
-					    int nodeoffset,
-					    const char *name, int *lenp)
-{
-	return fdt_get_property_namelen(fdt, nodeoffset, name,
-					strlen(name), lenp);
-}
-
-const void *fdt_getprop_namelen(const void *fdt, int nodeoffset,
-				const char *name, int namelen, int *lenp)
-{
-	const struct fdt_property *prop;
-
-	prop = fdt_get_property_namelen(fdt, nodeoffset, name, namelen, lenp);
-	if (! prop)
-		return NULL;
-
-	return prop->data;
-}
-
-const void *fdt_getprop_by_offset(const void *fdt, int offset,
-				  const char **namep, int *lenp)
-{
-	const struct fdt_property *prop;
-
-	prop = fdt_get_property_by_offset(fdt, offset, lenp);
-	if (!prop)
-		return NULL;
-	if (namep)
-		*namep = fdt_string(fdt, fdt32_to_cpu(prop->nameoff));
-	return prop->data;
-}
-
-const void *fdt_getprop(const void *fdt, int nodeoffset,
-			const char *name, int *lenp)
-{
-	return fdt_getprop_namelen(fdt, nodeoffset, name, strlen(name), lenp);
-}
-
-uint32_t fdt_get_phandle(const void *fdt, int nodeoffset)
-{
-	const uint32_t *php;
-	int len;
-
-	/* FIXME: This is a bit sub-optimal, since we potentially scan
-	 * over all the properties twice. */
-	php = fdt_getprop(fdt, nodeoffset, "phandle", &len);
-	if (!php || (len != sizeof(*php))) {
-		php = fdt_getprop(fdt, nodeoffset, "linux,phandle", &len);
-		if (!php || (len != sizeof(*php)))
-			return 0;
-	}
-
-	return fdt32_to_cpu(*php);
-}
-
-const char *fdt_get_alias_namelen(const void *fdt,
-				  const char *name, int namelen)
-{
-	int aliasoffset;
-
-	aliasoffset = fdt_path_offset(fdt, "/aliases");
-	if (aliasoffset < 0)
-		return NULL;
-
-	return fdt_getprop_namelen(fdt, aliasoffset, name, namelen, NULL);
-}
-
-const char *fdt_get_alias(const void *fdt, const char *name)
-{
-	return fdt_get_alias_namelen(fdt, name, strlen(name));
-}
-
-int fdt_get_path(const void *fdt, int nodeoffset, char *buf, int buflen)
-{
-	int pdepth = 0, p = 0;
-	int offset, depth, namelen;
-	const char *name;
-
-	FDT_CHECK_HEADER(fdt);
-
-	if (buflen < 2)
-		return -FDT_ERR_NOSPACE;
-
-	for (offset = 0, depth = 0;
-	     (offset >= 0) && (offset <= nodeoffset);
-	     offset = fdt_next_node(fdt, offset, &depth)) {
-		while (pdepth > depth) {
-			do {
-				p--;
-			} while (buf[p-1] != '/');
-			pdepth--;
-		}
-
-		if (pdepth >= depth) {
-			name = fdt_get_name(fdt, offset, &namelen);
-			if (!name)
-				return namelen;
-			if ((p + namelen + 1) <= buflen) {
-				memcpy(buf + p, name, namelen);
-				p += namelen;
-				buf[p++] = '/';
-				pdepth++;
-			}
-		}
-
-		if (offset == nodeoffset) {
-			if (pdepth < (depth + 1))
-				return -FDT_ERR_NOSPACE;
-
-			if (p > 1) /* special case so that root path is "/", not "" */
-				p--;
-			buf[p] = '\0';
-			return 0;
-		}
-	}
-
-	if ((offset == -FDT_ERR_NOTFOUND) || (offset >= 0))
-		return -FDT_ERR_BADOFFSET;
-	else if (offset == -FDT_ERR_BADOFFSET)
-		return -FDT_ERR_BADSTRUCTURE;
-
-	return offset; /* error from fdt_next_node() */
-}
-
-int fdt_supernode_atdepth_offset(const void *fdt, int nodeoffset,
-				 int supernodedepth, int *nodedepth)
-{
-	int offset, depth;
-	int supernodeoffset = -FDT_ERR_INTERNAL;
-
-	FDT_CHECK_HEADER(fdt);
-
-	if (supernodedepth < 0)
-		return -FDT_ERR_NOTFOUND;
-
-	for (offset = 0, depth = 0;
-	     (offset >= 0) && (offset <= nodeoffset);
-	     offset = fdt_next_node(fdt, offset, &depth)) {
-		if (depth == supernodedepth)
-			supernodeoffset = offset;
-
-		if (offset == nodeoffset) {
-			if (nodedepth)
-				*nodedepth = depth;
-
-			if (supernodedepth > depth)
-				return -FDT_ERR_NOTFOUND;
-			else
-				return supernodeoffset;
-		}
-	}
-
-	if ((offset == -FDT_ERR_NOTFOUND) || (offset >= 0))
-		return -FDT_ERR_BADOFFSET;
-	else if (offset == -FDT_ERR_BADOFFSET)
-		return -FDT_ERR_BADSTRUCTURE;
-
-	return offset; /* error from fdt_next_node() */
-}
-
-int fdt_node_depth(const void *fdt, int nodeoffset)
-{
-	int nodedepth;
-	int err;
-
-	err = fdt_supernode_atdepth_offset(fdt, nodeoffset, 0, &nodedepth);
-	if (err)
-		return (err < 0) ? err : -FDT_ERR_INTERNAL;
-	return nodedepth;
-}
-
-int fdt_parent_offset(const void *fdt, int nodeoffset)
-{
-	int nodedepth = fdt_node_depth(fdt, nodeoffset);
-
-	if (nodedepth < 0)
-		return nodedepth;
-	return fdt_supernode_atdepth_offset(fdt, nodeoffset,
-					    nodedepth - 1, NULL);
-}
-
-int fdt_node_offset_by_prop_value(const void *fdt, int startoffset,
-				  const char *propname,
-				  const void *propval, int proplen)
-{
-	int offset;
-	const void *val;
-	int len;
-
-	FDT_CHECK_HEADER(fdt);
-
-	/* FIXME: The algorithm here is pretty horrible: we scan each
-	 * property of a node in fdt_getprop(), then if that didn't
-	 * find what we want, we scan over them again making our way
-	 * to the next node.  Still it's the easiest to implement
-	 * approach; performance can come later. */
-	for (offset = fdt_next_node(fdt, startoffset, NULL);
-	     offset >= 0;
-	     offset = fdt_next_node(fdt, offset, NULL)) {
-		val = fdt_getprop(fdt, offset, propname, &len);
-		if (val && (len == proplen)
-		    && (memcmp(val, propval, len) == 0))
-			return offset;
-	}
-
-	return offset; /* error from fdt_next_node() */
-}
-
-int fdt_node_offset_by_phandle(const void *fdt, uint32_t phandle)
-{
-	int offset;
-
-	if ((phandle == 0) || (phandle == -1))
-		return -FDT_ERR_BADPHANDLE;
-
-	FDT_CHECK_HEADER(fdt);
-
-	/* FIXME: The algorithm here is pretty horrible: we
-	 * potentially scan each property of a node in
-	 * fdt_get_phandle(), then if that didn't find what
-	 * we want, we scan over them again making our way to the next
-	 * node.  Still it's the easiest to implement approach;
-	 * performance can come later. */
-	for (offset = fdt_next_node(fdt, -1, NULL);
-	     offset >= 0;
-	     offset = fdt_next_node(fdt, offset, NULL)) {
-		if (fdt_get_phandle(fdt, offset) == phandle)
-			return offset;
-	}
-
-	return offset; /* error from fdt_next_node() */
-}
-
-static int _fdt_stringlist_contains(const char *strlist, int listlen,
-				    const char *str)
-{
-	int len = strlen(str);
-	const char *p;
-
-	while (listlen >= len) {
-		if (memcmp(str, strlist, len+1) == 0)
-			return 1;
-		p = memchr(strlist, '\0', listlen);
-		if (!p)
-			return 0; /* malformed strlist.. */
-		listlen -= (p-strlist) + 1;
-		strlist = p + 1;
-	}
-	return 0;
-}
-
-int fdt_node_check_compatible(const void *fdt, int nodeoffset,
-			      const char *compatible)
-{
-	const void *prop;
-	int len;
-
-	prop = fdt_getprop(fdt, nodeoffset, "compatible", &len);
-	if (!prop)
-		return len;
-	if (_fdt_stringlist_contains(prop, len, compatible))
-		return 0;
-	else
-		return 1;
-}
-
-int fdt_node_offset_by_compatible(const void *fdt, int startoffset,
-				  const char *compatible)
-{
-	int offset, err;
-
-	FDT_CHECK_HEADER(fdt);
-
-	/* FIXME: The algorithm here is pretty horrible: we scan each
-	 * property of a node in fdt_node_check_compatible(), then if
-	 * that didn't find what we want, we scan over them again
-	 * making our way to the next node.  Still it's the easiest to
-	 * implement approach; performance can come later. */
-	for (offset = fdt_next_node(fdt, startoffset, NULL);
-	     offset >= 0;
-	     offset = fdt_next_node(fdt, offset, NULL)) {
-		err = fdt_node_check_compatible(fdt, offset, compatible);
-		if ((err < 0) && (err != -FDT_ERR_NOTFOUND))
-			return err;
-		else if (err == 0)
-			return offset;
-	}
-
-	return offset; /* error from fdt_next_node() */
-}
diff --git a/lib/fdt/fdt_rw.c b/lib/fdt/fdt_rw.c
deleted file mode 100644
index 994037b..0000000
--- a/lib/fdt/fdt_rw.c
+++ /dev/null
@@ -1,465 +0,0 @@
-/*
- * libfdt - Flat Device Tree manipulation
- * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * libfdt is dual licensed: you can use it either under the terms of
- * the GPL, or the BSD license, at your option.
- *
- *  a) This library 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 library 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 library; if not, write to the Free
- *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
- *     MA 02110-1301 USA
- *
- * Alternatively,
- *
- *  b) Redistribution and use in source and binary forms, with or
- *     without modification, are permitted provided that the following
- *     conditions are met:
- *
- *     1. Redistributions of source code must retain the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer.
- *     2. Redistributions in binary form must reproduce the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer in the documentation and/or other materials
- *        provided with the distribution.
- *
- *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- *     CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- *     INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- *     MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- *     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- *     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- *     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- *     OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
- *     EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-#include "libfdt_env.h"
-
-#include <fdt.h>
-#include <libfdt.h>
-
-#include "libfdt_internal.h"
-
-static int _fdt_blocks_misordered(const void *fdt,
-			      int mem_rsv_size, int struct_size)
-{
-	return (fdt_off_mem_rsvmap(fdt) < FDT_ALIGN(sizeof(struct fdt_header), 8))
-		|| (fdt_off_dt_struct(fdt) <
-		    (fdt_off_mem_rsvmap(fdt) + mem_rsv_size))
-		|| (fdt_off_dt_strings(fdt) <
-		    (fdt_off_dt_struct(fdt) + struct_size))
-		|| (fdt_totalsize(fdt) <
-		    (fdt_off_dt_strings(fdt) + fdt_size_dt_strings(fdt)));
-}
-
-static int _fdt_rw_check_header(void *fdt)
-{
-	FDT_CHECK_HEADER(fdt);
-
-	if (fdt_version(fdt) < 17)
-		return -FDT_ERR_BADVERSION;
-	if (_fdt_blocks_misordered(fdt, sizeof(struct fdt_reserve_entry),
-				   fdt_size_dt_struct(fdt)))
-		return -FDT_ERR_BADLAYOUT;
-	if (fdt_version(fdt) > 17)
-		fdt_set_version(fdt, 17);
-
-	return 0;
-}
-
-#define FDT_RW_CHECK_HEADER(fdt) \
-	{ \
-		int err; \
-		if ((err = _fdt_rw_check_header(fdt)) != 0) \
-			return err; \
-	}
-
-static inline int _fdt_data_size(void *fdt)
-{
-	return fdt_off_dt_strings(fdt) + fdt_size_dt_strings(fdt);
-}
-
-static int _fdt_splice(void *fdt, void *splicepoint, int oldlen, int newlen)
-{
-	char *p = splicepoint;
-	char *end = (char *)fdt + _fdt_data_size(fdt);
-
-	if (((p + oldlen) < p) || ((p + oldlen) > end))
-		return -FDT_ERR_BADOFFSET;
-	if ((end - oldlen + newlen) > ((char *)fdt + fdt_totalsize(fdt)))
-		return -FDT_ERR_NOSPACE;
-	memmove(p + newlen, p + oldlen, end - p - oldlen);
-	return 0;
-}
-
-static int _fdt_splice_mem_rsv(void *fdt, struct fdt_reserve_entry *p,
-			       int oldn, int newn)
-{
-	int delta = (newn - oldn) * sizeof(*p);
-	int err;
-	err = _fdt_splice(fdt, p, oldn * sizeof(*p), newn * sizeof(*p));
-	if (err)
-		return err;
-	fdt_set_off_dt_struct(fdt, fdt_off_dt_struct(fdt) + delta);
-	fdt_set_off_dt_strings(fdt, fdt_off_dt_strings(fdt) + delta);
-	return 0;
-}
-
-static int _fdt_splice_struct(void *fdt, void *p,
-			      int oldlen, int newlen)
-{
-	int delta = newlen - oldlen;
-	int err;
-
-	if ((err = _fdt_splice(fdt, p, oldlen, newlen)))
-		return err;
-
-	fdt_set_size_dt_struct(fdt, fdt_size_dt_struct(fdt) + delta);
-	fdt_set_off_dt_strings(fdt, fdt_off_dt_strings(fdt) + delta);
-	return 0;
-}
-
-static int _fdt_splice_string(void *fdt, int newlen)
-{
-	void *p = (char *)fdt
-		+ fdt_off_dt_strings(fdt) + fdt_size_dt_strings(fdt);
-	int err;
-
-	if ((err = _fdt_splice(fdt, p, 0, newlen)))
-		return err;
-
-	fdt_set_size_dt_strings(fdt, fdt_size_dt_strings(fdt) + newlen);
-	return 0;
-}
-
-static int _fdt_find_add_string(void *fdt, const char *s)
-{
-	char *strtab = (char *)fdt + fdt_off_dt_strings(fdt);
-	const char *p;
-	char *new;
-	int len = strlen(s) + 1;
-	int err;
-
-	p = _fdt_find_string(strtab, fdt_size_dt_strings(fdt), s);
-	if (p)
-		/* found it */
-		return (p - strtab);
-
-	new = strtab + fdt_size_dt_strings(fdt);
-	err = _fdt_splice_string(fdt, len);
-	if (err)
-		return err;
-
-	memcpy(new, s, len);
-	return (new - strtab);
-}
-
-int fdt_add_mem_rsv(void *fdt, uint64_t address, uint64_t size)
-{
-	struct fdt_reserve_entry *re;
-	int err;
-
-	FDT_RW_CHECK_HEADER(fdt);
-
-	re = _fdt_mem_rsv_w(fdt, fdt_num_mem_rsv(fdt));
-	err = _fdt_splice_mem_rsv(fdt, re, 0, 1);
-	if (err)
-		return err;
-
-	re->address = cpu_to_fdt64(address);
-	re->size = cpu_to_fdt64(size);
-	return 0;
-}
-
-int fdt_del_mem_rsv(void *fdt, int n)
-{
-	struct fdt_reserve_entry *re = _fdt_mem_rsv_w(fdt, n);
-	int err;
-
-	FDT_RW_CHECK_HEADER(fdt);
-
-	if (n >= fdt_num_mem_rsv(fdt))
-		return -FDT_ERR_NOTFOUND;
-
-	err = _fdt_splice_mem_rsv(fdt, re, 1, 0);
-	if (err)
-		return err;
-	return 0;
-}
-
-static int _fdt_resize_property(void *fdt, int nodeoffset, const char *name,
-				int len, struct fdt_property **prop)
-{
-	int oldlen;
-	int err;
-
-	*prop = fdt_get_property_w(fdt, nodeoffset, name, &oldlen);
-	if (! (*prop))
-		return oldlen;
-
-	if ((err = _fdt_splice_struct(fdt, (*prop)->data, FDT_TAGALIGN(oldlen),
-				      FDT_TAGALIGN(len))))
-		return err;
-
-	(*prop)->len = cpu_to_fdt32(len);
-	return 0;
-}
-
-static int _fdt_add_property(void *fdt, int nodeoffset, const char *name,
-			     int len, struct fdt_property **prop)
-{
-	int proplen;
-	int nextoffset;
-	int namestroff;
-	int err;
-
-	if ((nextoffset = _fdt_check_node_offset(fdt, nodeoffset)) < 0)
-		return nextoffset;
-
-	namestroff = _fdt_find_add_string(fdt, name);
-	if (namestroff < 0)
-		return namestroff;
-
-	*prop = _fdt_offset_ptr_w(fdt, nextoffset);
-	proplen = sizeof(**prop) + FDT_TAGALIGN(len);
-
-	err = _fdt_splice_struct(fdt, *prop, 0, proplen);
-	if (err)
-		return err;
-
-	(*prop)->tag = cpu_to_fdt32(FDT_PROP);
-	(*prop)->nameoff = cpu_to_fdt32(namestroff);
-	(*prop)->len = cpu_to_fdt32(len);
-	return 0;
-}
-
-int fdt_set_name(void *fdt, int nodeoffset, const char *name)
-{
-	char *namep;
-	int oldlen, newlen;
-	int err;
-
-	FDT_RW_CHECK_HEADER(fdt);
-
-	namep = (char *)(uintptr_t)fdt_get_name(fdt, nodeoffset, &oldlen);
-	if (!namep)
-		return oldlen;
-
-	newlen = strlen(name);
-
-	err = _fdt_splice_struct(fdt, namep, FDT_TAGALIGN(oldlen+1),
-				 FDT_TAGALIGN(newlen+1));
-	if (err)
-		return err;
-
-	memcpy(namep, name, newlen+1);
-	return 0;
-}
-
-int fdt_setprop(void *fdt, int nodeoffset, const char *name,
-		const void *val, int len)
-{
-	struct fdt_property *prop;
-	int err;
-
-	FDT_RW_CHECK_HEADER(fdt);
-
-	err = _fdt_resize_property(fdt, nodeoffset, name, len, &prop);
-	if (err == -FDT_ERR_NOTFOUND)
-		err = _fdt_add_property(fdt, nodeoffset, name, len, &prop);
-	if (err)
-		return err;
-
-	memcpy(prop->data, val, len);
-	return 0;
-}
-
-int fdt_delprop(void *fdt, int nodeoffset, const char *name)
-{
-	struct fdt_property *prop;
-	int len, proplen;
-
-	FDT_RW_CHECK_HEADER(fdt);
-
-	prop = fdt_get_property_w(fdt, nodeoffset, name, &len);
-	if (! prop)
-		return len;
-
-	proplen = sizeof(*prop) + FDT_TAGALIGN(len);
-	return _fdt_splice_struct(fdt, prop, proplen, 0);
-}
-
-int fdt_add_subnode_namelen(void *fdt, int parentoffset,
-			    const char *name, int namelen)
-{
-	struct fdt_node_header *nh;
-	int offset, nextoffset;
-	int nodelen;
-	int err;
-	uint32_t tag;
-	uint32_t *endtag;
-
-	FDT_RW_CHECK_HEADER(fdt);
-
-	offset = fdt_subnode_offset_namelen(fdt, parentoffset, name, namelen);
-	if (offset >= 0)
-		return -FDT_ERR_EXISTS;
-	else if (offset != -FDT_ERR_NOTFOUND)
-		return offset;
-
-	/* Try to place the new node after the parent's properties */
-	fdt_next_tag(fdt, parentoffset, &nextoffset); /* skip the BEGIN_NODE */
-	do {
-		offset = nextoffset;
-		tag = fdt_next_tag(fdt, offset, &nextoffset);
-	} while ((tag == FDT_PROP) || (tag == FDT_NOP));
-
-	nh = _fdt_offset_ptr_w(fdt, offset);
-	nodelen = sizeof(*nh) + FDT_TAGALIGN(namelen+1) + FDT_TAGSIZE;
-
-	err = _fdt_splice_struct(fdt, nh, 0, nodelen);
-	if (err)
-		return err;
-
-	nh->tag = cpu_to_fdt32(FDT_BEGIN_NODE);
-	memset(nh->name, 0, FDT_TAGALIGN(namelen+1));
-	memcpy(nh->name, name, namelen);
-	endtag = (uint32_t *)((char *)nh + nodelen - FDT_TAGSIZE);
-	*endtag = cpu_to_fdt32(FDT_END_NODE);
-
-	return offset;
-}
-
-int fdt_add_subnode(void *fdt, int parentoffset, const char *name)
-{
-	return fdt_add_subnode_namelen(fdt, parentoffset, name, strlen(name));
-}
-
-int fdt_del_node(void *fdt, int nodeoffset)
-{
-	int endoffset;
-
-	FDT_RW_CHECK_HEADER(fdt);
-
-	endoffset = _fdt_node_end_offset(fdt, nodeoffset);
-	if (endoffset < 0)
-		return endoffset;
-
-	return _fdt_splice_struct(fdt, _fdt_offset_ptr_w(fdt, nodeoffset),
-				  endoffset - nodeoffset, 0);
-}
-
-static void _fdt_packblocks(const char *old, char *new,
-			    int mem_rsv_size, int struct_size)
-{
-	int mem_rsv_off, struct_off, strings_off;
-
-	mem_rsv_off = FDT_ALIGN(sizeof(struct fdt_header), 8);
-	struct_off = mem_rsv_off + mem_rsv_size;
-	strings_off = struct_off + struct_size;
-
-	memmove(new + mem_rsv_off, old + fdt_off_mem_rsvmap(old), mem_rsv_size);
-	fdt_set_off_mem_rsvmap(new, mem_rsv_off);
-
-	memmove(new + struct_off, old + fdt_off_dt_struct(old), struct_size);
-	fdt_set_off_dt_struct(new, struct_off);
-	fdt_set_size_dt_struct(new, struct_size);
-
-	memmove(new + strings_off, old + fdt_off_dt_strings(old),
-		fdt_size_dt_strings(old));
-	fdt_set_off_dt_strings(new, strings_off);
-	fdt_set_size_dt_strings(new, fdt_size_dt_strings(old));
-}
-
-int fdt_open_into(const void *fdt, void *buf, int bufsize)
-{
-	int err;
-	int mem_rsv_size, struct_size;
-	int newsize;
-	const char *fdtstart = fdt;
-	const char *fdtend = fdtstart + fdt_totalsize(fdt);
-	char *tmp;
-
-	FDT_CHECK_HEADER(fdt);
-
-	mem_rsv_size = (fdt_num_mem_rsv(fdt)+1)
-		* sizeof(struct fdt_reserve_entry);
-
-	if (fdt_version(fdt) >= 17) {
-		struct_size = fdt_size_dt_struct(fdt);
-	} else {
-		struct_size = 0;
-		while (fdt_next_tag(fdt, struct_size, &struct_size) != FDT_END)
-			;
-		if (struct_size < 0)
-			return struct_size;
-	}
-
-	if (!_fdt_blocks_misordered(fdt, mem_rsv_size, struct_size)) {
-		/* no further work necessary */
-		err = fdt_move(fdt, buf, bufsize);
-		if (err)
-			return err;
-		fdt_set_version(buf, 17);
-		fdt_set_size_dt_struct(buf, struct_size);
-		fdt_set_totalsize(buf, bufsize);
-		return 0;
-	}
-
-	/* Need to reorder */
-	newsize = FDT_ALIGN(sizeof(struct fdt_header), 8) + mem_rsv_size
-		+ struct_size + fdt_size_dt_strings(fdt);
-
-	if (bufsize < newsize)
-		return -FDT_ERR_NOSPACE;
-
-	/* First attempt to build converted tree at beginning of buffer */
-	tmp = buf;
-	/* But if that overlaps with the old tree... */
-	if (((tmp + newsize) > fdtstart) && (tmp < fdtend)) {
-		/* Try right after the old tree instead */
-		tmp = (char *)(uintptr_t)fdtend;
-		if ((tmp + newsize) > ((char *)buf + bufsize))
-			return -FDT_ERR_NOSPACE;
-	}
-
-	_fdt_packblocks(fdt, tmp, mem_rsv_size, struct_size);
-	memmove(buf, tmp, newsize);
-
-	fdt_set_magic(buf, FDT_MAGIC);
-	fdt_set_totalsize(buf, bufsize);
-	fdt_set_version(buf, 17);
-	fdt_set_last_comp_version(buf, 16);
-	fdt_set_boot_cpuid_phys(buf, fdt_boot_cpuid_phys(fdt));
-
-	return 0;
-}
-
-int fdt_pack(void *fdt)
-{
-	int mem_rsv_size;
-
-	FDT_RW_CHECK_HEADER(fdt);
-
-	mem_rsv_size = (fdt_num_mem_rsv(fdt)+1)
-		* sizeof(struct fdt_reserve_entry);
-	_fdt_packblocks(fdt, fdt, mem_rsv_size, fdt_size_dt_struct(fdt));
-	fdt_set_totalsize(fdt, _fdt_data_size(fdt));
-
-	return 0;
-}
diff --git a/lib/fdt/fdt_strerror.c b/lib/fdt/fdt_strerror.c
deleted file mode 100644
index e6c3cee..0000000
--- a/lib/fdt/fdt_strerror.c
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
- * libfdt - Flat Device Tree manipulation
- * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * libfdt is dual licensed: you can use it either under the terms of
- * the GPL, or the BSD license, at your option.
- *
- *  a) This library 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 library 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 library; if not, write to the Free
- *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
- *     MA 02110-1301 USA
- *
- * Alternatively,
- *
- *  b) Redistribution and use in source and binary forms, with or
- *     without modification, are permitted provided that the following
- *     conditions are met:
- *
- *     1. Redistributions of source code must retain the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer.
- *     2. Redistributions in binary form must reproduce the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer in the documentation and/or other materials
- *        provided with the distribution.
- *
- *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- *     CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- *     INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- *     MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- *     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- *     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- *     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- *     OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
- *     EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-#include "libfdt_env.h"
-
-#include <fdt.h>
-#include <libfdt.h>
-
-#include "libfdt_internal.h"
-
-struct fdt_errtabent {
-	const char *str;
-};
-
-#define FDT_ERRTABENT(val) \
-	[(val)] = { .str = #val, }
-
-static struct fdt_errtabent fdt_errtable[] = {
-	FDT_ERRTABENT(FDT_ERR_NOTFOUND),
-	FDT_ERRTABENT(FDT_ERR_EXISTS),
-	FDT_ERRTABENT(FDT_ERR_NOSPACE),
-
-	FDT_ERRTABENT(FDT_ERR_BADOFFSET),
-	FDT_ERRTABENT(FDT_ERR_BADPATH),
-	FDT_ERRTABENT(FDT_ERR_BADSTATE),
-
-	FDT_ERRTABENT(FDT_ERR_TRUNCATED),
-	FDT_ERRTABENT(FDT_ERR_BADMAGIC),
-	FDT_ERRTABENT(FDT_ERR_BADVERSION),
-	FDT_ERRTABENT(FDT_ERR_BADSTRUCTURE),
-	FDT_ERRTABENT(FDT_ERR_BADLAYOUT),
-};
-#define FDT_ERRTABSIZE	(sizeof(fdt_errtable) / sizeof(fdt_errtable[0]))
-
-const char *fdt_strerror(int errval)
-{
-	if (errval > 0)
-		return "<valid offset/length>";
-	else if (errval == 0)
-		return "<no error>";
-	else if (errval > -FDT_ERRTABSIZE) {
-		const char *s = fdt_errtable[-errval].str;
-
-		if (s)
-			return s;
-	}
-
-	return "<unknown error>";
-}
diff --git a/lib/fdt/fdt_sw.c b/lib/fdt/fdt_sw.c
deleted file mode 100644
index 55ebebf..0000000
--- a/lib/fdt/fdt_sw.c
+++ /dev/null
@@ -1,256 +0,0 @@
-/*
- * libfdt - Flat Device Tree manipulation
- * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * libfdt is dual licensed: you can use it either under the terms of
- * the GPL, or the BSD license, at your option.
- *
- *  a) This library 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 library 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 library; if not, write to the Free
- *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
- *     MA 02110-1301 USA
- *
- * Alternatively,
- *
- *  b) Redistribution and use in source and binary forms, with or
- *     without modification, are permitted provided that the following
- *     conditions are met:
- *
- *     1. Redistributions of source code must retain the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer.
- *     2. Redistributions in binary form must reproduce the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer in the documentation and/or other materials
- *        provided with the distribution.
- *
- *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- *     CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- *     INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- *     MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- *     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- *     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- *     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- *     OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
- *     EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-#include "libfdt_env.h"
-
-#include <fdt.h>
-#include <libfdt.h>
-
-#include "libfdt_internal.h"
-
-static int _fdt_sw_check_header(void *fdt)
-{
-	if (fdt_magic(fdt) != FDT_SW_MAGIC)
-		return -FDT_ERR_BADMAGIC;
-	/* FIXME: should check more details about the header state */
-	return 0;
-}
-
-#define FDT_SW_CHECK_HEADER(fdt) \
-	{ \
-		int err; \
-		if ((err = _fdt_sw_check_header(fdt)) != 0) \
-			return err; \
-	}
-
-static void *_fdt_grab_space(void *fdt, size_t len)
-{
-	int offset = fdt_size_dt_struct(fdt);
-	int spaceleft;
-
-	spaceleft = fdt_totalsize(fdt) - fdt_off_dt_struct(fdt)
-		- fdt_size_dt_strings(fdt);
-
-	if ((offset + len < offset) || (offset + len > spaceleft))
-		return NULL;
-
-	fdt_set_size_dt_struct(fdt, offset + len);
-	return _fdt_offset_ptr_w(fdt, offset);
-}
-
-int fdt_create(void *buf, int bufsize)
-{
-	void *fdt = buf;
-
-	if (bufsize < sizeof(struct fdt_header))
-		return -FDT_ERR_NOSPACE;
-
-	memset(buf, 0, bufsize);
-
-	fdt_set_magic(fdt, FDT_SW_MAGIC);
-	fdt_set_version(fdt, FDT_LAST_SUPPORTED_VERSION);
-	fdt_set_last_comp_version(fdt, FDT_FIRST_SUPPORTED_VERSION);
-	fdt_set_totalsize(fdt,  bufsize);
-
-	fdt_set_off_mem_rsvmap(fdt, FDT_ALIGN(sizeof(struct fdt_header),
-					      sizeof(struct fdt_reserve_entry)));
-	fdt_set_off_dt_struct(fdt, fdt_off_mem_rsvmap(fdt));
-	fdt_set_off_dt_strings(fdt, bufsize);
-
-	return 0;
-}
-
-int fdt_add_reservemap_entry(void *fdt, uint64_t addr, uint64_t size)
-{
-	struct fdt_reserve_entry *re;
-	int offset;
-
-	FDT_SW_CHECK_HEADER(fdt);
-
-	if (fdt_size_dt_struct(fdt))
-		return -FDT_ERR_BADSTATE;
-
-	offset = fdt_off_dt_struct(fdt);
-	if ((offset + sizeof(*re)) > fdt_totalsize(fdt))
-		return -FDT_ERR_NOSPACE;
-
-	re = (struct fdt_reserve_entry *)((char *)fdt + offset);
-	re->address = cpu_to_fdt64(addr);
-	re->size = cpu_to_fdt64(size);
-
-	fdt_set_off_dt_struct(fdt, offset + sizeof(*re));
-
-	return 0;
-}
-
-int fdt_finish_reservemap(void *fdt)
-{
-	return fdt_add_reservemap_entry(fdt, 0, 0);
-}
-
-int fdt_begin_node(void *fdt, const char *name)
-{
-	struct fdt_node_header *nh;
-	int namelen = strlen(name) + 1;
-
-	FDT_SW_CHECK_HEADER(fdt);
-
-	nh = _fdt_grab_space(fdt, sizeof(*nh) + FDT_TAGALIGN(namelen));
-	if (! nh)
-		return -FDT_ERR_NOSPACE;
-
-	nh->tag = cpu_to_fdt32(FDT_BEGIN_NODE);
-	memcpy(nh->name, name, namelen);
-	return 0;
-}
-
-int fdt_end_node(void *fdt)
-{
-	uint32_t *en;
-
-	FDT_SW_CHECK_HEADER(fdt);
-
-	en = _fdt_grab_space(fdt, FDT_TAGSIZE);
-	if (! en)
-		return -FDT_ERR_NOSPACE;
-
-	*en = cpu_to_fdt32(FDT_END_NODE);
-	return 0;
-}
-
-static int _fdt_find_add_string(void *fdt, const char *s)
-{
-	char *strtab = (char *)fdt + fdt_totalsize(fdt);
-	const char *p;
-	int strtabsize = fdt_size_dt_strings(fdt);
-	int len = strlen(s) + 1;
-	int struct_top, offset;
-
-	p = _fdt_find_string(strtab - strtabsize, strtabsize, s);
-	if (p)
-		return p - strtab;
-
-	/* Add it */
-	offset = -strtabsize - len;
-	struct_top = fdt_off_dt_struct(fdt) + fdt_size_dt_struct(fdt);
-	if (fdt_totalsize(fdt) + offset < struct_top)
-		return 0; /* no more room :( */
-
-	memcpy(strtab + offset, s, len);
-	fdt_set_size_dt_strings(fdt, strtabsize + len);
-	return offset;
-}
-
-int fdt_property(void *fdt, const char *name, const void *val, int len)
-{
-	struct fdt_property *prop;
-	int nameoff;
-
-	FDT_SW_CHECK_HEADER(fdt);
-
-	nameoff = _fdt_find_add_string(fdt, name);
-	if (nameoff == 0)
-		return -FDT_ERR_NOSPACE;
-
-	prop = _fdt_grab_space(fdt, sizeof(*prop) + FDT_TAGALIGN(len));
-	if (! prop)
-		return -FDT_ERR_NOSPACE;
-
-	prop->tag = cpu_to_fdt32(FDT_PROP);
-	prop->nameoff = cpu_to_fdt32(nameoff);
-	prop->len = cpu_to_fdt32(len);
-	memcpy(prop->data, val, len);
-	return 0;
-}
-
-int fdt_finish(void *fdt)
-{
-	char *p = (char *)fdt;
-	uint32_t *end;
-	int oldstroffset, newstroffset;
-	uint32_t tag;
-	int offset, nextoffset;
-
-	FDT_SW_CHECK_HEADER(fdt);
-
-	/* Add terminator */
-	end = _fdt_grab_space(fdt, sizeof(*end));
-	if (! end)
-		return -FDT_ERR_NOSPACE;
-	*end = cpu_to_fdt32(FDT_END);
-
-	/* Relocate the string table */
-	oldstroffset = fdt_totalsize(fdt) - fdt_size_dt_strings(fdt);
-	newstroffset = fdt_off_dt_struct(fdt) + fdt_size_dt_struct(fdt);
-	memmove(p + newstroffset, p + oldstroffset, fdt_size_dt_strings(fdt));
-	fdt_set_off_dt_strings(fdt, newstroffset);
-
-	/* Walk the structure, correcting string offsets */
-	offset = 0;
-	while ((tag = fdt_next_tag(fdt, offset, &nextoffset)) != FDT_END) {
-		if (tag == FDT_PROP) {
-			struct fdt_property *prop =
-				_fdt_offset_ptr_w(fdt, offset);
-			int nameoff;
-
-			nameoff = fdt32_to_cpu(prop->nameoff);
-			nameoff += fdt_size_dt_strings(fdt);
-			prop->nameoff = cpu_to_fdt32(nameoff);
-		}
-		offset = nextoffset;
-	}
-	if (nextoffset < 0)
-		return nextoffset;
-
-	/* Finally, adjust the header */
-	fdt_set_totalsize(fdt, newstroffset + fdt_size_dt_strings(fdt));
-	fdt_set_magic(fdt, FDT_MAGIC);
-	return 0;
-}
diff --git a/lib/fdt/fdt_wip.c b/lib/fdt/fdt_wip.c
deleted file mode 100644
index 6025fa1..0000000
--- a/lib/fdt/fdt_wip.c
+++ /dev/null
@@ -1,118 +0,0 @@
-/*
- * libfdt - Flat Device Tree manipulation
- * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * libfdt is dual licensed: you can use it either under the terms of
- * the GPL, or the BSD license, at your option.
- *
- *  a) This library 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 library 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 library; if not, write to the Free
- *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
- *     MA 02110-1301 USA
- *
- * Alternatively,
- *
- *  b) Redistribution and use in source and binary forms, with or
- *     without modification, are permitted provided that the following
- *     conditions are met:
- *
- *     1. Redistributions of source code must retain the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer.
- *     2. Redistributions in binary form must reproduce the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer in the documentation and/or other materials
- *        provided with the distribution.
- *
- *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- *     CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- *     INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- *     MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- *     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- *     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- *     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- *     OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
- *     EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-#include "libfdt_env.h"
-
-#include <fdt.h>
-#include <libfdt.h>
-
-#include "libfdt_internal.h"
-
-int fdt_setprop_inplace(void *fdt, int nodeoffset, const char *name,
-			const void *val, int len)
-{
-	void *propval;
-	int proplen;
-
-	propval = fdt_getprop_w(fdt, nodeoffset, name, &proplen);
-	if (! propval)
-		return proplen;
-
-	if (proplen != len)
-		return -FDT_ERR_NOSPACE;
-
-	memcpy(propval, val, len);
-	return 0;
-}
-
-static void _fdt_nop_region(void *start, int len)
-{
-	uint32_t *p;
-
-	for (p = start; (char *)p < ((char *)start + len); p++)
-		*p = cpu_to_fdt32(FDT_NOP);
-}
-
-int fdt_nop_property(void *fdt, int nodeoffset, const char *name)
-{
-	struct fdt_property *prop;
-	int len;
-
-	prop = fdt_get_property_w(fdt, nodeoffset, name, &len);
-	if (! prop)
-		return len;
-
-	_fdt_nop_region(prop, len + sizeof(*prop));
-
-	return 0;
-}
-
-int _fdt_node_end_offset(void *fdt, int offset)
-{
-	int depth = 0;
-
-	while ((offset >= 0) && (depth >= 0))
-		offset = fdt_next_node(fdt, offset, &depth);
-
-	return offset;
-}
-
-int fdt_nop_node(void *fdt, int nodeoffset)
-{
-	int endoffset;
-
-	endoffset = _fdt_node_end_offset(fdt, nodeoffset);
-	if (endoffset < 0)
-		return endoffset;
-
-	_fdt_nop_region(fdt_offset_ptr_w(fdt, nodeoffset, 0),
-			endoffset - nodeoffset);
-	return 0;
-}
diff --git a/lib/fdt/libfdt_internal.h b/lib/fdt/libfdt_internal.h
deleted file mode 100644
index 381133b..0000000
--- a/lib/fdt/libfdt_internal.h
+++ /dev/null
@@ -1,95 +0,0 @@
-#ifndef _LIBFDT_INTERNAL_H
-#define _LIBFDT_INTERNAL_H
-/*
- * libfdt - Flat Device Tree manipulation
- * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * libfdt is dual licensed: you can use it either under the terms of
- * the GPL, or the BSD license, at your option.
- *
- *  a) This library 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 library 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 library; if not, write to the Free
- *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
- *     MA 02110-1301 USA
- *
- * Alternatively,
- *
- *  b) Redistribution and use in source and binary forms, with or
- *     without modification, are permitted provided that the following
- *     conditions are met:
- *
- *     1. Redistributions of source code must retain the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer.
- *     2. Redistributions in binary form must reproduce the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer in the documentation and/or other materials
- *        provided with the distribution.
- *
- *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- *     CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- *     INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- *     MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- *     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- *     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- *     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- *     OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
- *     EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-#include <fdt.h>
-
-#define FDT_ALIGN(x, a)		(((x) + (a) - 1) & ~((a) - 1))
-#define FDT_TAGALIGN(x)		(FDT_ALIGN((x), FDT_TAGSIZE))
-
-#define FDT_CHECK_HEADER(fdt) \
-	{ \
-		int err; \
-		if ((err = fdt_check_header(fdt)) != 0) \
-			return err; \
-	}
-
-int _fdt_check_node_offset(const void *fdt, int offset);
-int _fdt_check_prop_offset(const void *fdt, int offset);
-const char *_fdt_find_string(const char *strtab, int tabsize, const char *s);
-int _fdt_node_end_offset(void *fdt, int nodeoffset);
-
-static inline const void *_fdt_offset_ptr(const void *fdt, int offset)
-{
-	return (const char *)fdt + fdt_off_dt_struct(fdt) + offset;
-}
-
-static inline void *_fdt_offset_ptr_w(void *fdt, int offset)
-{
-	return (void *)(uintptr_t)_fdt_offset_ptr(fdt, offset);
-}
-
-static inline const struct fdt_reserve_entry *_fdt_mem_rsv(const void *fdt, int n)
-{
-	const struct fdt_reserve_entry *rsv_table =
-		(const struct fdt_reserve_entry *)
-		((const char *)fdt + fdt_off_mem_rsvmap(fdt));
-
-	return rsv_table + n;
-}
-static inline struct fdt_reserve_entry *_fdt_mem_rsv_w(void *fdt, int n)
-{
-	return (void *)(uintptr_t)_fdt_mem_rsv(fdt, n);
-}
-
-#define FDT_SW_MAGIC		(~FDT_MAGIC)
-
-#endif /* _LIBFDT_INTERNAL_H */
-- 
1.7.10.4


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  parent reply	other threads:[~2013-02-26 20:19 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-02-26 20:18 [PATCH] remove libfdt Sascha Hauer
2013-02-26 20:18 ` [PATCH 01/29] of: unflatten: allocate root node explicitly Sascha Hauer
2013-02-26 20:18 ` [PATCH 02/29] of: export of_find_child Sascha Hauer
2013-02-26 20:18 ` [PATCH 03/29] of: removed unused variables Sascha Hauer
2013-02-26 20:18 ` [PATCH 04/29] of: Let of_find_node_by_path iterate over tree Sascha Hauer
2013-02-26 20:18 ` [PATCH 05/29] of: remove allnodes list Sascha Hauer
2013-02-26 20:18 ` [PATCH 06/29] ARM bootm: Use of_get_fixed_tree Sascha Hauer
2013-02-26 20:18 ` [PATCH 07/29] of: Add of_set_property and of_create_node Sascha Hauer
2013-02-26 20:18 ` [PATCH 08/29] of_node command: use of_create_node Sascha Hauer
2013-02-26 20:18 ` [PATCH 09/29] of: Add root node argument to of_find_node_by_path Sascha Hauer
2013-02-26 20:18 ` [PATCH 10/29] of: Add missing prototype for of_device_is_compatible Sascha Hauer
2013-02-26 20:18 ` [PATCH 11/29] of: let of_unflatten_dtb return the unflattened tree Sascha Hauer
2013-02-26 20:18 ` [PATCH 12/29] of: make unflatten independent of libfdt Sascha Hauer
2013-02-26 20:18 ` [PATCH 13/29] of: make flatten " Sascha Hauer
2013-02-26 21:05   ` Alexander Aring
2013-02-27  8:40     ` Sascha Hauer
2013-02-27 19:52       ` Alexander Aring
2013-02-26 20:18 ` [PATCH 14/29] of/fdt: use optimized endianess conversion Sascha Hauer
2013-02-26 20:18 ` [PATCH 15/29] oftree command: Use of_print_nodes Sascha Hauer
2013-02-26 20:18 ` [PATCH 16/29] of: move OFTREE Kconfig option to drivers/of/ Sascha Hauer
2013-02-26 20:18 ` [PATCH 17/29] of: make OFDEVICE a user selectable option Sascha Hauer
2013-02-26 20:18 ` [PATCH 18/29] oftree command: retire CMD_OFTREE_PROBE Kconfig option Sascha Hauer
2013-02-26 20:18 ` [PATCH 19/29] of: move oftree Kconfig to the top of the drivers menu Sascha Hauer
2013-02-26 20:18 ` [PATCH 20/29] of: Pass barebox internal format devicetree to of_get_fixed_tree Sascha Hauer
2013-02-26 20:18 ` [PATCH 21/29] bootm: Use of_print_nodes instead of fdt_print Sascha Hauer
2013-02-26 20:18 ` [PATCH 22/29] of: move flat devicetree functions to separate file Sascha Hauer
2013-02-26 20:18 ` [PATCH 23/29] of: Add of property write functions for u32 Sascha Hauer
2013-02-26 20:18 ` [PATCH 24/29] of: make value of property in of_new_property optional Sascha Hauer
2013-02-26 20:18 ` [PATCH 25/29] of: Add missing prototype for size/address counting functions Sascha Hauer
2013-02-26 20:18 ` [PATCH 26/29] of: fixup unflattened devicetree Sascha Hauer
2013-02-26 20:18 ` Sascha Hauer [this message]
2013-02-26 20:18 ` [PATCH 28/29] of_* commands: print usage when insufficient arguments are given Sascha Hauer
2013-02-26 20:18 ` [PATCH 29/29] of_property command: Fix crash with empty property value Sascha Hauer

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