Remove the deprecated CONFIG_OF_FLAT_TREE

Use CONFIG_OF_LIBFDT instead to support flattened device trees.  It is
cleaner, has better functionality, and is better supported.

Signed-off-by: Gerald Van Baren <vanbaren@cideas.com>

2 files changed, 0 insertions, 472 deletions

diff --git a/common/Makefile b/common/Makefile
index b425795..4287108 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -119,7 +119,6 @@ COBJS-y += env_nowhere.o
 COBJS-y += exports.o
 COBJS-y += flash.o
 COBJS-y += fpga.o
-COBJS-y += ft_build.o
 COBJS-y += hush.o
 COBJS-y += kgdb.o
 COBJS-y += lcd.o
diff --git a/common/ft_build.c b/common/ft_build.c
deleted file mode 100644
index b951178..0000000
--- a/common/ft_build.c
+++ /dev/null
@@ -1,471 +0,0 @@
-/*
- * OF flat tree builder
- * Written by: Pantelis Antoniou <pantelis.antoniou@gmail.com>
- * Updated by: Matthew McClintock <msm@freescale.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <malloc.h>
-#include <environment.h>
-
-#ifdef CONFIG_OF_FLAT_TREE
-
-#include <asm/errno.h>
-#include <stddef.h>
-
-#include <ft_build.h>
-#include <linux/ctype.h>
-
-#undef DEBUG
-
-/* align addr on a size boundary - adjust address up if needed -- Cort */
-#define _ALIGN(addr,size)       (((addr)+(size)-1)&(~((size)-1)))
-#ifndef CONFIG_OF_BOOT_CPU
-#define CONFIG_OF_BOOT_CPU 0
-#endif
-#define SIZE_OF_RSVMAP_ENTRY (2*sizeof(u64))
-
-static void ft_put_word(struct ft_cxt *cxt, u32 v)
-{
-	memmove(cxt->p + sizeof(u32), cxt->p, cxt->p_end - cxt->p);
-
-	*(u32 *) cxt->p = cpu_to_be32(v);
-	cxt->p += sizeof(u32);
-	cxt->p_end += sizeof(u32);
-}
-
-static inline void ft_put_bin(struct ft_cxt *cxt, const void *data, int sz)
-{
-	int aligned_size = ((u8 *)_ALIGN((unsigned long)cxt->p + sz,
-					sizeof(u32))) - cxt->p;
-
-	memmove(cxt->p + aligned_size, cxt->p, cxt->p_end - cxt->p);
-
-	/* make sure the last bytes are zeroed */
-	memset(cxt->p + aligned_size - (aligned_size % sizeof(u32)), 0,
-			(aligned_size % sizeof(u32)));
-
-	memcpy(cxt->p, data, sz);
-
-	cxt->p += aligned_size;
-	cxt->p_end += aligned_size;
-}
-
-void ft_begin_node(struct ft_cxt *cxt, const char *name)
-{
-	ft_put_word(cxt, OF_DT_BEGIN_NODE);
-	ft_put_bin(cxt, name, strlen(name) + 1);
-}
-
-void ft_end_node(struct ft_cxt *cxt)
-{
-	ft_put_word(cxt, OF_DT_END_NODE);
-}
-
-void ft_nop(struct ft_cxt *cxt)
-{
-	ft_put_word(cxt, OF_DT_NOP);
-}
-
-static int lookup_string(struct ft_cxt *cxt, const char *name)
-{
-	u8 *p;
-
-	p = cxt->p;
-	while (p < cxt->p_end) {
-		if (strcmp((char *)p, name) == 0)
-			return p - cxt->p;
-		p += strlen((char *)p) + 1;
-	}
-
-	return -1;
-}
-
-void ft_prop(struct ft_cxt *cxt, const char *name, const void *data, int sz)
-{
-	int off = 0;
-
-	off = lookup_string(cxt, name);
-	if (off == -1) {
-		memcpy(cxt->p_end, name, strlen(name) + 1);
-		off = cxt->p_end - cxt->p;
-		cxt->p_end += strlen(name) + 1;
-	}
-
-	/* now put offset from beginning of *STRUCTURE* */
-	/* will be fixed up at the end */
-	ft_put_word(cxt, OF_DT_PROP);
-	ft_put_word(cxt, sz);
-	ft_put_word(cxt, off);
-	ft_put_bin(cxt, data, sz);
-}
-
-void ft_prop_str(struct ft_cxt *cxt, const char *name, const char *str)
-{
-	ft_prop(cxt, name, str, strlen(str) + 1);
-}
-
-void ft_prop_int(struct ft_cxt *cxt, const char *name, int val)
-{
-	u32 v = cpu_to_be32((u32) val);
-
-	ft_prop(cxt, name, &v, sizeof(u32));
-}
-
-/* pick up and start working on a tree in place */
-void ft_init_cxt(struct ft_cxt *cxt, void *blob)
-{
-	struct boot_param_header *bph = blob;
-
-	memset(cxt, 0, sizeof(*cxt));
-
-	cxt->bph = bph;
-	bph->boot_cpuid_phys = CONFIG_OF_BOOT_CPU;
-
-	/* find beginning and end of reserve map table (zeros in last entry) */
-	cxt->p_rsvmap = (u8 *)bph + bph->off_mem_rsvmap;
-	while ( ((uint64_t *)cxt->p_rsvmap)[0] != 0 &&
-		     ((uint64_t *)cxt->p_rsvmap)[1] != 0 ) {
-	cxt->p_rsvmap += SIZE_OF_RSVMAP_ENTRY;
-	}
-
-	cxt->p_start = (u8 *)bph + bph->off_dt_struct;
-	cxt->p_end = (u8 *)bph + bph->totalsize;
-	cxt->p = (u8 *)bph + bph->off_dt_strings;
-}
-
-/* add a reserver physical area to the rsvmap */
-void ft_add_rsvmap(struct ft_cxt *cxt, u64 physstart, u64 physend)
-{
-	memmove(cxt->p_rsvmap + SIZE_OF_RSVMAP_ENTRY, cxt->p_rsvmap,
-				 cxt->p_end - cxt->p_rsvmap);
-
-	((u64 *)cxt->p_rsvmap)[0] = cpu_to_be64(physstart);
-	((u64 *)cxt->p_rsvmap)[1] = cpu_to_be64(physend);
-	((u64 *)cxt->p_rsvmap)[2] = 0;
-	((u64 *)cxt->p_rsvmap)[3] = 0;
-
-	cxt->p_rsvmap += SIZE_OF_RSVMAP_ENTRY;
-	cxt->p_start += SIZE_OF_RSVMAP_ENTRY;
-	cxt->p += SIZE_OF_RSVMAP_ENTRY;
-	cxt->p_end += SIZE_OF_RSVMAP_ENTRY;
-}
-
-void ft_end_tree(struct ft_cxt *cxt)
-{
-	ft_put_word(cxt, OF_DT_END);
-}
-
-/* update the boot param header with correct values */
-void ft_finalize_tree(struct ft_cxt *cxt) {
-	struct boot_param_header *bph = cxt->bph;
-
-	bph->totalsize = cxt->p_end - (u8 *)bph;
-	bph->off_dt_struct = cxt->p_start - (u8 *)bph;
-	bph->off_dt_strings = cxt->p - (u8 *)bph;
-	bph->dt_strings_size = cxt->p_end - cxt->p;
-}
-
-static int is_printable_string(const void *data, int len)
-{
-	const char *s = data;
-	const char *ss;
-
-	/* zero length is not */
-	if (len == 0)
-		return 0;
-
-	/* must terminate with zero */
-	if (s[len - 1] != '\0')
-		return 0;
-
-	ss = s;
-	while (*s && isprint(*s))
-		s++;
-
-	/* not zero, or not done yet */
-	if (*s != '\0' || (s + 1 - ss) < len)
-		return 0;
-
-	return 1;
-}
-
-static void print_data(const void *data, int len)
-{
-	int i;
-	const u8 *s;
-
-	/* no data, don't print */
-	if (len == 0)
-		return;
-
-	if (is_printable_string(data, len)) {
-		puts(" = \"");
-		puts(data);
-		puts("\"");
-		return;
-	}
-
-	switch (len) {
-	case 1:		/* byte */
-		printf(" = <%02x>", (*(u8 *) data) & 0xff);
-		break;
-	case 2:		/* half-word */
-		printf(" = <%04x>", be16_to_cpu(*(u16 *) data) & 0xffff);
-		break;
-	case 4:		/* word */
-		printf(" = <%x>", be32_to_cpu(*(u32 *) data) & 0xffffffffU);
-		break;
-	case 8:		/* double-word */
-		printf(" = <%qx>", be64_to_cpu(*(uint64_t *) data));
-		break;
-	default:		/* anything else... hexdump */
-		printf(" = [");
-		for (i = 0, s = data; i < len; i++)
-			printf("%02x%s", s[i], i < len - 1 ? " " : "");
-		printf("]");
-
-		break;
-	}
-}
-
-void ft_dump_blob(const void *bphp)
-{
-	const struct boot_param_header *bph = bphp;
-	const uint64_t *p_rsvmap = (const uint64_t *)
-		((const char *)bph + be32_to_cpu(bph->off_mem_rsvmap));
-	const u32 *p_struct = (const u32 *)
-		((const char *)bph + be32_to_cpu(bph->off_dt_struct));
-	const u32 *p_strings = (const u32 *)
-		((const char *)bph + be32_to_cpu(bph->off_dt_strings));
-	u32 tag;
-	const u32 *p;
-	const char *s, *t;
-	int depth, sz, shift;
-	int i;
-	uint64_t addr, size;
-
-	if (be32_to_cpu(bph->magic) != OF_DT_HEADER) {
-		/* not valid tree */
-		return;
-	}
-
-	depth = 0;
-	shift = 4;
-
-	for (i = 0;; i++) {
-		addr = be64_to_cpu(p_rsvmap[i * 2]);
-		size = be64_to_cpu(p_rsvmap[i * 2 + 1]);
-		if (addr == 0 && size == 0)
-			break;
-
-		printf("/memreserve/ %qx %qx;\n", addr, size);
-	}
-
-	p = p_struct;
-	while ((tag = be32_to_cpu(*p++)) != OF_DT_END) {
-
-		/* printf("tag: 0x%08x (%d)\n", tag, p - p_struct); */
-
-		if (tag == OF_DT_BEGIN_NODE) {
-			s = (const char *)p;
-			p = (u32 *) _ALIGN((unsigned long)p + strlen(s) + 1, 4);
-
-			printf("%*s%s {\n", depth * shift, "", s);
-
-			depth++;
-			continue;
-		}
-
-		if (tag == OF_DT_END_NODE) {
-			depth--;
-
-			printf("%*s};\n", depth * shift, "");
-			continue;
-		}
-
-		if (tag == OF_DT_NOP) {
-			printf("%*s[NOP]\n", depth * shift, "");
-			continue;
-		}
-
-		if (tag != OF_DT_PROP) {
-			fprintf(stderr, "%*s ** Unknown tag 0x%08x at 0x%x\n",
-				depth * shift, "", tag, --p);
-			break;
-		}
-		sz = be32_to_cpu(*p++);
-		s = (const char *)p_strings + be32_to_cpu(*p++);
-		t = (const char *)p;
-		p = (const u32 *)_ALIGN((unsigned long)p + sz, 4);
-		printf("%*s%s", depth * shift, "", s);
-		print_data(t, sz);
-		printf(";\n");
-	}
-}
-
-void ft_backtrack_node(struct ft_cxt *cxt)
-{
-	int i = 4;
-
-	while (be32_to_cpu(*(u32 *) (cxt->p - i)) != OF_DT_END_NODE)
-		i += 4;
-
-	memmove (cxt->p - i, cxt->p, cxt->p_end - cxt->p);
-
-	cxt->p_end -= i;
-	cxt->p -= i;
-}
-
-void *ft_get_prop(void *bphp, const char *propname, int *szp)
-{
-	struct boot_param_header *bph = bphp;
-	uint32_t *p_struct =
-	    (uint32_t *) ((char *)bph + be32_to_cpu(bph->off_dt_struct));
-	uint32_t *p_strings =
-	    (uint32_t *) ((char *)bph + be32_to_cpu(bph->off_dt_strings));
-	uint32_t version = be32_to_cpu(bph->version);
-	uint32_t tag;
-	uint32_t *p;
-	char *s, *t;
-	char *ss;
-	int sz;
-	static char path[256], prop[256];
-
-	path[0] = '\0';
-
-	p = p_struct;
-	while ((tag = be32_to_cpu(*p++)) != OF_DT_END) {
-
-		if (tag == OF_DT_BEGIN_NODE) {
-			s = (char *)p;
-			p = (uint32_t *) _ALIGN((unsigned long)p + strlen(s) +
-						1, 4);
-			strcat(path, s);
-			strcat(path, "/");
-			continue;
-		}
-
-		if (tag == OF_DT_END_NODE) {
-			path[strlen(path) - 1] = '\0';
-			ss = strrchr(path, '/');
-			if (ss != NULL)
-				ss[1] = '\0';
-			continue;
-		}
-
-		if (tag == OF_DT_NOP)
-			continue;
-
-		if (tag != OF_DT_PROP)
-			break;
-
-		sz = be32_to_cpu(*p++);
-		s = (char *)p_strings + be32_to_cpu(*p++);
-		if (version < 0x10 && sz >= 8)
-			p = (uint32_t *) _ALIGN((unsigned long)p, 8);
-		t = (char *)p;
-		p = (uint32_t *) _ALIGN((unsigned long)p + sz, 4);
-
-		strcpy(prop, path);
-		strcat(prop, s);
-
-		if (strcmp(prop, propname) == 0) {
-			*szp = sz;
-			return t;
-		}
-	}
-
-	return NULL;
-}
-
-/********************************************************************/
-
-void ft_setup(void *blob, bd_t * bd, ulong initrd_start, ulong initrd_end)
-{
-	u32 *p;
-	int len;
-	struct ft_cxt cxt;
-	ulong clock;
-
-	/* disable OF tree; booting old kernel */
-	if (getenv("disable_of") != NULL) {
-		memcpy(blob, bd, sizeof(*bd));
-		return;
-	}
-
-#ifdef DEBUG
-	printf ("recieved oftree\n");
-	ft_dump_blob(blob);
-#endif
-
-	ft_init_cxt(&cxt, blob);
-
-	if (initrd_start && initrd_end)
-		ft_add_rsvmap(&cxt, initrd_start, initrd_end - initrd_start + 1);
-
-	/* back into root */
-	ft_backtrack_node(&cxt);
-
-	ft_begin_node(&cxt, "chosen");
-	ft_prop_str(&cxt, "name", "chosen");
-
-	ft_prop_str(&cxt, "bootargs", getenv("bootargs"));
-	ft_prop_int(&cxt, "linux,platform", 0x600);	/* what is this? */
-	if (initrd_start && initrd_end) {
-		ft_prop_int(&cxt, "linux,initrd-start", initrd_start);
-		ft_prop_int(&cxt, "linux,initrd-end", initrd_end);
-	}
-#ifdef OF_STDOUT_PATH
-	ft_prop_str(&cxt, "linux,stdout-path", OF_STDOUT_PATH);
-#endif
-
-	ft_end_node(&cxt);
-
-	ft_end_node(&cxt);	/* end root */
-
-	ft_end_tree(&cxt);
-	ft_finalize_tree(&cxt);
-
-#ifdef CONFIG_PPC
-	clock = bd->bi_intfreq;
-	p = ft_get_prop(blob, "/cpus/" OF_CPU "/clock-frequency", &len);
-	if (p != NULL)
-		*p = cpu_to_be32(clock);
-
-#ifdef OF_TBCLK
-	clock = OF_TBCLK;
-	p = ft_get_prop(blob, "/cpus/" OF_CPU "/timebase-frequency", &len);
-	if (p != NULL)
-		*p = cpu_to_be32(clock);
-#endif
-#endif				/* __powerpc__ */
-
-#ifdef CONFIG_OF_BOARD_SETUP
-	ft_board_setup(blob, bd);
-#endif
-
-	/* in case the size changed in the platform code */
-	ft_finalize_tree(&cxt);
-
-#ifdef DEBUG
-	printf("final OF-tree\n");
-	ft_dump_blob(blob);
-#endif
-}
-#endif