1 files changed, 0 insertions, 906 deletions

diff --git a/arch/powerpc/boot/dtc-src/flattree.c b/arch/powerpc/boot/dtc-src/flattree.c
deleted file mode 100644
index 76acd28c068d..000000000000
--- a/arch/powerpc/boot/dtc-src/flattree.c
+++ /dev/null
@@ -1,906 +0,0 @@
-/*
- * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation.  2005.
- *
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
- *                                                                   USA
- */
-
-#include "dtc.h"
-#include "srcpos.h"
-
-#define FTF_FULLPATH	0x1
-#define FTF_VARALIGN	0x2
-#define FTF_NAMEPROPS	0x4
-#define FTF_BOOTCPUID	0x8
-#define FTF_STRTABSIZE	0x10
-#define FTF_STRUCTSIZE	0x20
-#define FTF_NOPS	0x40
-
-static struct version_info {
-	int version;
-	int last_comp_version;
-	int hdr_size;
-	int flags;
-} version_table[] = {
-	{1, 1, FDT_V1_SIZE,
-	 FTF_FULLPATH|FTF_VARALIGN|FTF_NAMEPROPS},
-	{2, 1, FDT_V2_SIZE,
-	 FTF_FULLPATH|FTF_VARALIGN|FTF_NAMEPROPS|FTF_BOOTCPUID},
-	{3, 1, FDT_V3_SIZE,
-	 FTF_FULLPATH|FTF_VARALIGN|FTF_NAMEPROPS|FTF_BOOTCPUID|FTF_STRTABSIZE},
-	{16, 16, FDT_V3_SIZE,
-	 FTF_BOOTCPUID|FTF_STRTABSIZE|FTF_NOPS},
-	{17, 16, FDT_V17_SIZE,
-	 FTF_BOOTCPUID|FTF_STRTABSIZE|FTF_STRUCTSIZE|FTF_NOPS},
-};
-
-struct emitter {
-	void (*cell)(void *, cell_t);
-	void (*string)(void *, char *, int);
-	void (*align)(void *, int);
-	void (*data)(void *, struct data);
-	void (*beginnode)(void *, const char *);
-	void (*endnode)(void *, const char *);
-	void (*property)(void *, const char *);
-};
-
-static void bin_emit_cell(void *e, cell_t val)
-{
-	struct data *dtbuf = e;
-
-	*dtbuf = data_append_cell(*dtbuf, val);
-}
-
-static void bin_emit_string(void *e, char *str, int len)
-{
-	struct data *dtbuf = e;
-
-	if (len == 0)
-		len = strlen(str);
-
-	*dtbuf = data_append_data(*dtbuf, str, len);
-	*dtbuf = data_append_byte(*dtbuf, '\0');
-}
-
-static void bin_emit_align(void *e, int a)
-{
-	struct data *dtbuf = e;
-
-	*dtbuf = data_append_align(*dtbuf, a);
-}
-
-static void bin_emit_data(void *e, struct data d)
-{
-	struct data *dtbuf = e;
-
-	*dtbuf = data_append_data(*dtbuf, d.val, d.len);
-}
-
-static void bin_emit_beginnode(void *e, const char *label)
-{
-	bin_emit_cell(e, FDT_BEGIN_NODE);
-}
-
-static void bin_emit_endnode(void *e, const char *label)
-{
-	bin_emit_cell(e, FDT_END_NODE);
-}
-
-static void bin_emit_property(void *e, const char *label)
-{
-	bin_emit_cell(e, FDT_PROP);
-}
-
-static struct emitter bin_emitter = {
-	.cell = bin_emit_cell,
-	.string = bin_emit_string,
-	.align = bin_emit_align,
-	.data = bin_emit_data,
-	.beginnode = bin_emit_beginnode,
-	.endnode = bin_emit_endnode,
-	.property = bin_emit_property,
-};
-
-static void emit_label(FILE *f, const char *prefix, const char *label)
-{
-	fprintf(f, "\t.globl\t%s_%s\n", prefix, label);
-	fprintf(f, "%s_%s:\n", prefix, label);
-	fprintf(f, "_%s_%s:\n", prefix, label);
-}
-
-static void emit_offset_label(FILE *f, const char *label, int offset)
-{
-	fprintf(f, "\t.globl\t%s\n", label);
-	fprintf(f, "%s\t= . + %d\n", label, offset);
-}
-
-static void asm_emit_cell(void *e, cell_t val)
-{
-	FILE *f = e;
-
-	fprintf(f, "\t.long\t0x%x\n", val);
-}
-
-static void asm_emit_string(void *e, char *str, int len)
-{
-	FILE *f = e;
-	char c = 0;
-
-	if (len != 0) {
-		/* XXX: ewww */
-		c = str[len];
-		str[len] = '\0';
-	}
-
-	fprintf(f, "\t.string\t\"%s\"\n", str);
-
-	if (len != 0) {
-		str[len] = c;
-	}
-}
-
-static void asm_emit_align(void *e, int a)
-{
-	FILE *f = e;
-
-	fprintf(f, "\t.balign\t%d\n", a);
-}
-
-static void asm_emit_data(void *e, struct data d)
-{
-	FILE *f = e;
-	int off = 0;
-	struct marker *m = d.markers;
-
-	for_each_marker_of_type(m, LABEL)
-		emit_offset_label(f, m->ref, m->offset);
-
-	while ((d.len - off) >= sizeof(uint32_t)) {
-		fprintf(f, "\t.long\t0x%x\n",
-			fdt32_to_cpu(*((uint32_t *)(d.val+off))));
-		off += sizeof(uint32_t);
-	}
-
-	while ((d.len - off) >= 1) {
-		fprintf(f, "\t.byte\t0x%hhx\n", d.val[off]);
-		off += 1;
-	}
-
-	assert(off == d.len);
-}
-
-static void asm_emit_beginnode(void *e, const char *label)
-{
-	FILE *f = e;
-
-	if (label) {
-		fprintf(f, "\t.globl\t%s\n", label);
-		fprintf(f, "%s:\n", label);
-	}
-	fprintf(f, "\t.long\tFDT_BEGIN_NODE\n");
-}
-
-static void asm_emit_endnode(void *e, const char *label)
-{
-	FILE *f = e;
-
-	fprintf(f, "\t.long\tFDT_END_NODE\n");
-	if (label) {
-		fprintf(f, "\t.globl\t%s_end\n", label);
-		fprintf(f, "%s_end:\n", label);
-	}
-}
-
-static void asm_emit_property(void *e, const char *label)
-{
-	FILE *f = e;
-
-	if (label) {
-		fprintf(f, "\t.globl\t%s\n", label);
-		fprintf(f, "%s:\n", label);
-	}
-	fprintf(f, "\t.long\tFDT_PROP\n");
-}
-
-static struct emitter asm_emitter = {
-	.cell = asm_emit_cell,
-	.string = asm_emit_string,
-	.align = asm_emit_align,
-	.data = asm_emit_data,
-	.beginnode = asm_emit_beginnode,
-	.endnode = asm_emit_endnode,
-	.property = asm_emit_property,
-};
-
-static int stringtable_insert(struct data *d, const char *str)
-{
-	int i;
-
-	/* FIXME: do this more efficiently? */
-
-	for (i = 0; i < d->len; i++) {
-		if (streq(str, d->val + i))
-			return i;
-	}
-
-	*d = data_append_data(*d, str, strlen(str)+1);
-	return i;
-}
-
-static void flatten_tree(struct node *tree, struct emitter *emit,
-			 void *etarget, struct data *strbuf,
-			 struct version_info *vi)
-{
-	struct property *prop;
-	struct node *child;
-	int seen_name_prop = 0;
-
-	emit->beginnode(etarget, tree->label);
-
-	if (vi->flags & FTF_FULLPATH)
-		emit->string(etarget, tree->fullpath, 0);
-	else
-		emit->string(etarget, tree->name, 0);
-
-	emit->align(etarget, sizeof(cell_t));
-
-	for_each_property(tree, prop) {
-		int nameoff;
-
-		if (streq(prop->name, "name"))
-			seen_name_prop = 1;
-
-		nameoff = stringtable_insert(strbuf, prop->name);
-
-		emit->property(etarget, prop->label);
-		emit->cell(etarget, prop->val.len);
-		emit->cell(etarget, nameoff);
-
-		if ((vi->flags & FTF_VARALIGN) && (prop->val.len >= 8))
-			emit->align(etarget, 8);
-
-		emit->data(etarget, prop->val);
-		emit->align(etarget, sizeof(cell_t));
-	}
-
-	if ((vi->flags & FTF_NAMEPROPS) && !seen_name_prop) {
-		emit->property(etarget, NULL);
-		emit->cell(etarget, tree->basenamelen+1);
-		emit->cell(etarget, stringtable_insert(strbuf, "name"));
-
-		if ((vi->flags & FTF_VARALIGN) && ((tree->basenamelen+1) >= 8))
-			emit->align(etarget, 8);
-
-		emit->string(etarget, tree->name, tree->basenamelen);
-		emit->align(etarget, sizeof(cell_t));
-	}
-
-	for_each_child(tree, child) {
-		flatten_tree(child, emit, etarget, strbuf, vi);
-	}
-
-	emit->endnode(etarget, tree->label);
-}
-
-static struct data flatten_reserve_list(struct reserve_info *reservelist,
-				 struct version_info *vi)
-{
-	struct reserve_info *re;
-	struct data d = empty_data;
-	static struct fdt_reserve_entry null_re = {0,0};
-	int    j;
-
-	for (re = reservelist; re; re = re->next) {
-		d = data_append_re(d, &re->re);
-	}
-	/*
-	 * Add additional reserved slots if the user asked for them.
-	 */
-	for (j = 0; j < reservenum; j++) {
-		d = data_append_re(d, &null_re);
-	}
-
-	return d;
-}
-
-static void make_fdt_header(struct fdt_header *fdt,
-			    struct version_info *vi,
-			    int reservesize, int dtsize, int strsize,
-			    int boot_cpuid_phys)
-{
-	int reserve_off;
-
-	reservesize += sizeof(struct fdt_reserve_entry);
-
-	memset(fdt, 0xff, sizeof(*fdt));
-
-	fdt->magic = cpu_to_fdt32(FDT_MAGIC);
-	fdt->version = cpu_to_fdt32(vi->version);
-	fdt->last_comp_version = cpu_to_fdt32(vi->last_comp_version);
-
-	/* Reserve map should be doubleword aligned */
-	reserve_off = ALIGN(vi->hdr_size, 8);
-
-	fdt->off_mem_rsvmap = cpu_to_fdt32(reserve_off);
-	fdt->off_dt_struct = cpu_to_fdt32(reserve_off + reservesize);
-	fdt->off_dt_strings = cpu_to_fdt32(reserve_off + reservesize
-					  + dtsize);
-	fdt->totalsize = cpu_to_fdt32(reserve_off + reservesize + dtsize + strsize);
-
-	if (vi->flags & FTF_BOOTCPUID)
-		fdt->boot_cpuid_phys = cpu_to_fdt32(boot_cpuid_phys);
-	if (vi->flags & FTF_STRTABSIZE)
-		fdt->size_dt_strings = cpu_to_fdt32(strsize);
-	if (vi->flags & FTF_STRUCTSIZE)
-		fdt->size_dt_struct = cpu_to_fdt32(dtsize);
-}
-
-void dt_to_blob(FILE *f, struct boot_info *bi, int version)
-{
-	struct version_info *vi = NULL;
-	int i;
-	struct data blob       = empty_data;
-	struct data reservebuf = empty_data;
-	struct data dtbuf      = empty_data;
-	struct data strbuf     = empty_data;
-	struct fdt_header fdt;
-	int padlen = 0;
-
-	for (i = 0; i < ARRAY_SIZE(version_table); i++) {
-		if (version_table[i].version == version)
-			vi = &version_table[i];
-	}
-	if (!vi)
-		die("Unknown device tree blob version %d\n", version);
-
-	flatten_tree(bi->dt, &bin_emitter, &dtbuf, &strbuf, vi);
-	bin_emit_cell(&dtbuf, FDT_END);
-
-	reservebuf = flatten_reserve_list(bi->reservelist, vi);
-
-	/* Make header */
-	make_fdt_header(&fdt, vi, reservebuf.len, dtbuf.len, strbuf.len,
-			bi->boot_cpuid_phys);
-
-	/*
-	 * If the user asked for more space than is used, adjust the totalsize.
-	 */
-	if (minsize > 0) {
-		padlen = minsize - fdt32_to_cpu(fdt.totalsize);
-		if ((padlen < 0) && (quiet < 1))
-			fprintf(stderr,
-				"Warning: blob size %d >= minimum size %d\n",
-				fdt32_to_cpu(fdt.totalsize), minsize);
-	}
-
-	if (padsize > 0)
-		padlen = padsize;
-
-	if (padlen > 0) {
-		int tsize = fdt32_to_cpu(fdt.totalsize);
-		tsize += padlen;
-		fdt.totalsize = cpu_to_fdt32(tsize);
-	}
-
-	/*
-	 * Assemble the blob: start with the header, add with alignment
-	 * the reserve buffer, add the reserve map terminating zeroes,
-	 * the device tree itself, and finally the strings.
-	 */
-	blob = data_append_data(blob, &fdt, vi->hdr_size);
-	blob = data_append_align(blob, 8);
-	blob = data_merge(blob, reservebuf);
-	blob = data_append_zeroes(blob, sizeof(struct fdt_reserve_entry));
-	blob = data_merge(blob, dtbuf);
-	blob = data_merge(blob, strbuf);
-
-	/*
-	 * If the user asked for more space than is used, pad out the blob.
-	 */
-	if (padlen > 0)
-		blob = data_append_zeroes(blob, padlen);
-
-	fwrite(blob.val, blob.len, 1, f);
-
-	if (ferror(f))
-		die("Error writing device tree blob: %s\n", strerror(errno));
-
-	/*
-	 * data_merge() frees the right-hand element so only the blob
-	 * remains to be freed.
-	 */
-	data_free(blob);
-}
-
-static void dump_stringtable_asm(FILE *f, struct data strbuf)
-{
-	const char *p;
-	int len;
-
-	p = strbuf.val;
-
-	while (p < (strbuf.val + strbuf.len)) {
-		len = strlen(p);
-		fprintf(f, "\t.string \"%s\"\n", p);
-		p += len+1;
-	}
-}
-
-void dt_to_asm(FILE *f, struct boot_info *bi, int version)
-{
-	struct version_info *vi = NULL;
-	int i;
-	struct data strbuf = empty_data;
-	struct reserve_info *re;
-	const char *symprefix = "dt";
-
-	for (i = 0; i < ARRAY_SIZE(version_table); i++) {
-		if (version_table[i].version == version)
-			vi = &version_table[i];
-	}
-	if (!vi)
-		die("Unknown device tree blob version %d\n", version);
-
-	fprintf(f, "/* autogenerated by dtc, do not edit */\n\n");
-	fprintf(f, "#define FDT_MAGIC 0x%x\n", FDT_MAGIC);
-	fprintf(f, "#define FDT_BEGIN_NODE 0x%x\n", FDT_BEGIN_NODE);
-	fprintf(f, "#define FDT_END_NODE 0x%x\n", FDT_END_NODE);
-	fprintf(f, "#define FDT_PROP 0x%x\n", FDT_PROP);
-	fprintf(f, "#define FDT_END 0x%x\n", FDT_END);
-	fprintf(f, "\n");
-
-	emit_label(f, symprefix, "blob_start");
-	emit_label(f, symprefix, "header");
-	fprintf(f, "\t.long\tFDT_MAGIC\t\t\t\t/* magic */\n");
-	fprintf(f, "\t.long\t_%s_blob_abs_end - _%s_blob_start\t/* totalsize */\n",
-		symprefix, symprefix);
-	fprintf(f, "\t.long\t_%s_struct_start - _%s_blob_start\t/* off_dt_struct */\n",
-		symprefix, symprefix);
-	fprintf(f, "\t.long\t_%s_strings_start - _%s_blob_start\t/* off_dt_strings */\n",
-		symprefix, symprefix);
-	fprintf(f, "\t.long\t_%s_reserve_map - _%s_blob_start\t/* off_dt_strings */\n",
-		symprefix, symprefix);
-	fprintf(f, "\t.long\t%d\t\t\t\t\t/* version */\n", vi->version);
-	fprintf(f, "\t.long\t%d\t\t\t\t\t/* last_comp_version */\n",
-		vi->last_comp_version);
-
-	if (vi->flags & FTF_BOOTCPUID)
-		fprintf(f, "\t.long\t%i\t\t\t\t\t/* boot_cpuid_phys */\n",
-			bi->boot_cpuid_phys);
-
-	if (vi->flags & FTF_STRTABSIZE)
-		fprintf(f, "\t.long\t_%s_strings_end - _%s_strings_start\t/* size_dt_strings */\n",
-			symprefix, symprefix);
-
-	if (vi->flags & FTF_STRUCTSIZE)
-		fprintf(f, "\t.long\t_%s_struct_end - _%s_struct_start\t/* size_dt_struct */\n",
-			symprefix, symprefix);
-
-	/*
-	 * Reserve map entries.
-	 * Align the reserve map to a doubleword boundary.
-	 * Each entry is an (address, size) pair of u64 values.
-	 * Always supply a zero-sized temination entry.
-	 */
-	asm_emit_align(f, 8);
-	emit_label(f, symprefix, "reserve_map");
-
-	fprintf(f, "/* Memory reserve map from source file */\n");
-
-	/*
-	 * Use .long on high and low halfs of u64s to avoid .quad
-	 * as it appears .quad isn't available in some assemblers.
-	 */
-	for (re = bi->reservelist; re; re = re->next) {
-		if (re->label) {
-			fprintf(f, "\t.globl\t%s\n", re->label);
-			fprintf(f, "%s:\n", re->label);
-		}
-		fprintf(f, "\t.long\t0x%08x, 0x%08x\n",
-			(unsigned int)(re->re.address >> 32),
-			(unsigned int)(re->re.address & 0xffffffff));
-		fprintf(f, "\t.long\t0x%08x, 0x%08x\n",
-			(unsigned int)(re->re.size >> 32),
-			(unsigned int)(re->re.size & 0xffffffff));
-	}
-	for (i = 0; i < reservenum; i++) {
-		fprintf(f, "\t.long\t0, 0\n\t.long\t0, 0\n");
-	}
-
-	fprintf(f, "\t.long\t0, 0\n\t.long\t0, 0\n");
-
-	emit_label(f, symprefix, "struct_start");
-	flatten_tree(bi->dt, &asm_emitter, f, &strbuf, vi);
-	fprintf(f, "\t.long\tFDT_END\n");
-	emit_label(f, symprefix, "struct_end");
-
-	emit_label(f, symprefix, "strings_start");
-	dump_stringtable_asm(f, strbuf);
-	emit_label(f, symprefix, "strings_end");
-
-	emit_label(f, symprefix, "blob_end");
-
-	/*
-	 * If the user asked for more space than is used, pad it out.
-	 */
-	if (minsize > 0) {
-		fprintf(f, "\t.space\t%d - (_%s_blob_end - _%s_blob_start), 0\n",
-			minsize, symprefix, symprefix);
-	}
-	if (padsize > 0) {
-		fprintf(f, "\t.space\t%d, 0\n", padsize);
-	}
-	emit_label(f, symprefix, "blob_abs_end");
-
-	data_free(strbuf);
-}
-
-struct inbuf {
-	char *base, *limit, *ptr;
-};
-
-static void inbuf_init(struct inbuf *inb, void *base, void *limit)
-{
-	inb->base = base;
-	inb->limit = limit;
-	inb->ptr = inb->base;
-}
-
-static void flat_read_chunk(struct inbuf *inb, void *p, int len)
-{
-	if ((inb->ptr + len) > inb->limit)
-		die("Premature end of data parsing flat device tree\n");
-
-	memcpy(p, inb->ptr, len);
-
-	inb->ptr += len;
-}
-
-static uint32_t flat_read_word(struct inbuf *inb)
-{
-	uint32_t val;
-
-	assert(((inb->ptr - inb->base) % sizeof(val)) == 0);
-
-	flat_read_chunk(inb, &val, sizeof(val));
-
-	return fdt32_to_cpu(val);
-}
-
-static void flat_realign(struct inbuf *inb, int align)
-{
-	int off = inb->ptr - inb->base;
-
-	inb->ptr = inb->base + ALIGN(off, align);
-	if (inb->ptr > inb->limit)
-		die("Premature end of data parsing flat device tree\n");
-}
-
-static char *flat_read_string(struct inbuf *inb)
-{
-	int len = 0;
-	const char *p = inb->ptr;
-	char *str;
-
-	do {
-		if (p >= inb->limit)
-			die("Premature end of data parsing flat device tree\n");
-		len++;
-	} while ((*p++) != '\0');
-
-	str = strdup(inb->ptr);
-
-	inb->ptr += len;
-
-	flat_realign(inb, sizeof(uint32_t));
-
-	return str;
-}
-
-static struct data flat_read_data(struct inbuf *inb, int len)
-{
-	struct data d = empty_data;
-
-	if (len == 0)
-		return empty_data;
-
-	d = data_grow_for(d, len);
-	d.len = len;
-
-	flat_read_chunk(inb, d.val, len);
-
-	flat_realign(inb, sizeof(uint32_t));
-
-	return d;
-}
-
-static char *flat_read_stringtable(struct inbuf *inb, int offset)
-{
-	const char *p;
-
-	p = inb->base + offset;
-	while (1) {
-		if (p >= inb->limit || p < inb->base)
-			die("String offset %d overruns string table\n",
-			    offset);
-
-		if (*p == '\0')
-			break;
-
-		p++;
-	}
-
-	return strdup(inb->base + offset);
-}
-
-static struct property *flat_read_property(struct inbuf *dtbuf,
-					   struct inbuf *strbuf, int flags)
-{
-	uint32_t proplen, stroff;
-	char *name;
-	struct data val;
-
-	proplen = flat_read_word(dtbuf);
-	stroff = flat_read_word(dtbuf);
-
-	name = flat_read_stringtable(strbuf, stroff);
-
-	if ((flags & FTF_VARALIGN) && (proplen >= 8))
-		flat_realign(dtbuf, 8);
-
-	val = flat_read_data(dtbuf, proplen);
-
-	return build_property(name, val, NULL);
-}
-
-
-static struct reserve_info *flat_read_mem_reserve(struct inbuf *inb)
-{
-	struct reserve_info *reservelist = NULL;
-	struct reserve_info *new;
-	const char *p;
-	struct fdt_reserve_entry re;
-
-	/*
-	 * Each entry is a pair of u64 (addr, size) values for 4 cell_t's.
-	 * List terminates at an entry with size equal to zero.
-	 *
-	 * First pass, count entries.
-	 */
-	p = inb->ptr;
-	while (1) {
-		flat_read_chunk(inb, &re, sizeof(re));
-		re.address  = fdt64_to_cpu(re.address);
-		re.size = fdt64_to_cpu(re.size);
-		if (re.size == 0)
-			break;
-
-		new = build_reserve_entry(re.address, re.size, NULL);
-		reservelist = add_reserve_entry(reservelist, new);
-	}
-
-	return reservelist;
-}
-
-
-static char *nodename_from_path(const char *ppath, const char *cpath)
-{
-	int plen;
-
-	plen = strlen(ppath);
-
-	if (!strneq(ppath, cpath, plen))
-		die("Path \"%s\" is not valid as a child of \"%s\"\n",
-		    cpath, ppath);
-
-	/* root node is a special case */
-	if (!streq(ppath, "/"))
-		plen++;
-
-	return strdup(cpath + plen);
-}
-
-static struct node *unflatten_tree(struct inbuf *dtbuf,
-				   struct inbuf *strbuf,
-				   const char *parent_flatname, int flags)
-{
-	struct node *node;
-	char *flatname;
-	uint32_t val;
-
-	node = build_node(NULL, NULL);
-
-	flatname = flat_read_string(dtbuf);
-
-	if (flags & FTF_FULLPATH)
-		node->name = nodename_from_path(parent_flatname, flatname);
-	else
-		node->name = flatname;
-
-	do {
-		struct property *prop;
-		struct node *child;
-
-		val = flat_read_word(dtbuf);
-		switch (val) {
-		case FDT_PROP:
-			if (node->children)
-				fprintf(stderr, "Warning: Flat tree input has "
-					"subnodes preceding a property.\n");
-			prop = flat_read_property(dtbuf, strbuf, flags);
-			add_property(node, prop);
-			break;
-
-		case FDT_BEGIN_NODE:
-			child = unflatten_tree(dtbuf,strbuf, flatname, flags);
-			add_child(node, child);
-			break;
-
-		case FDT_END_NODE:
-			break;
-
-		case FDT_END:
-			die("Premature FDT_END in device tree blob\n");
-			break;
-
-		case FDT_NOP:
-			if (!(flags & FTF_NOPS))
-				fprintf(stderr, "Warning: NOP tag found in flat tree"
-					" version <16\n");
-
-			/* Ignore */
-			break;
-
-		default:
-			die("Invalid opcode word %08x in device tree blob\n",
-			    val);
-		}
-	} while (val != FDT_END_NODE);
-
-	return node;
-}
-
-
-struct boot_info *dt_from_blob(const char *fname)
-{
-	struct dtc_file *dtcf;
-	uint32_t magic, totalsize, version, size_dt, boot_cpuid_phys;
-	uint32_t off_dt, off_str, off_mem_rsvmap;
-	int rc;
-	char *blob;
-	struct fdt_header *fdt;
-	char *p;
-	struct inbuf dtbuf, strbuf;
-	struct inbuf memresvbuf;
-	int sizeleft;
-	struct reserve_info *reservelist;
-	struct node *tree;
-	uint32_t val;
-	int flags = 0;
-
-	dtcf = dtc_open_file(fname, NULL);
-
-	rc = fread(&magic, sizeof(magic), 1, dtcf->file);
-	if (ferror(dtcf->file))
-		die("Error reading DT blob magic number: %s\n",
-		    strerror(errno));
-	if (rc < 1) {
-		if (feof(dtcf->file))
-			die("EOF reading DT blob magic number\n");
-		else
-			die("Mysterious short read reading magic number\n");
-	}
-
-	magic = fdt32_to_cpu(magic);
-	if (magic != FDT_MAGIC)
-		die("Blob has incorrect magic number\n");
-
-	rc = fread(&totalsize, sizeof(totalsize), 1, dtcf->file);
-	if (ferror(dtcf->file))
-		die("Error reading DT blob size: %s\n", strerror(errno));
-	if (rc < 1) {
-		if (feof(dtcf->file))
-			die("EOF reading DT blob size\n");
-		else
-			die("Mysterious short read reading blob size\n");
-	}
-
-	totalsize = fdt32_to_cpu(totalsize);
-	if (totalsize < FDT_V1_SIZE)
-		die("DT blob size (%d) is too small\n", totalsize);
-
-	blob = xmalloc(totalsize);
-
-	fdt = (struct fdt_header *)blob;
-	fdt->magic = cpu_to_fdt32(magic);
-	fdt->totalsize = cpu_to_fdt32(totalsize);
-
-	sizeleft = totalsize - sizeof(magic) - sizeof(totalsize);
-	p = blob + sizeof(magic)  + sizeof(totalsize);
-
-	while (sizeleft) {
-		if (feof(dtcf->file))
-			die("EOF before reading %d bytes of DT blob\n",
-			    totalsize);
-
-		rc = fread(p, 1, sizeleft, dtcf->file);
-		if (ferror(dtcf->file))
-			die("Error reading DT blob: %s\n",
-			    strerror(errno));
-
-		sizeleft -= rc;
-		p += rc;
-	}
-
-	off_dt = fdt32_to_cpu(fdt->off_dt_struct);
-	off_str = fdt32_to_cpu(fdt->off_dt_strings);
-	off_mem_rsvmap = fdt32_to_cpu(fdt->off_mem_rsvmap);
-	version = fdt32_to_cpu(fdt->version);
-	boot_cpuid_phys = fdt32_to_cpu(fdt->boot_cpuid_phys);
-
-	if (off_mem_rsvmap >= totalsize)
-		die("Mem Reserve structure offset exceeds total size\n");
-
-	if (off_dt >= totalsize)
-		die("DT structure offset exceeds total size\n");
-
-	if (off_str > totalsize)
-		die("String table offset exceeds total size\n");
-
-	if (version >= 3) {
-		uint32_t size_str = fdt32_to_cpu(fdt->size_dt_strings);
-		if (off_str+size_str > totalsize)
-			die("String table extends past total size\n");
-		inbuf_init(&strbuf, blob + off_str, blob + off_str + size_str);
-	} else {
-		inbuf_init(&strbuf, blob + off_str, blob + totalsize);
-	}
-
-	if (version >= 17) {
-		size_dt = fdt32_to_cpu(fdt->size_dt_struct);
-		if (off_dt+size_dt > totalsize)
-			die("Structure block extends past total size\n");
-	}
-
-	if (version < 16) {
-		flags |= FTF_FULLPATH | FTF_NAMEPROPS | FTF_VARALIGN;
-	} else {
-		flags |= FTF_NOPS;
-	}
-
-	inbuf_init(&memresvbuf,
-		   blob + off_mem_rsvmap, blob + totalsize);
-	inbuf_init(&dtbuf, blob + off_dt, blob + totalsize);
-
-	reservelist = flat_read_mem_reserve(&memresvbuf);
-
-	val = flat_read_word(&dtbuf);
-
-	if (val != FDT_BEGIN_NODE)
-		die("Device tree blob doesn't begin with FDT_BEGIN_NODE (begins with 0x%08x)\n", val);
-
-	tree = unflatten_tree(&dtbuf, &strbuf, "", flags);
-
-	val = flat_read_word(&dtbuf);
-	if (val != FDT_END)
-		die("Device tree blob doesn't end with FDT_END\n");
-
-	free(blob);
-
-	dtc_close_file(dtcf);
-
-	return build_boot_info(reservelist, tree, boot_cpuid_phys);
-}