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

This commit is contained in:
Wolfgang Denk 2008-06-11 22:30:47 +02:00
parent 1859e42fbf ae9e97fa96
commit cdeb62e20d
19 changed files with 160 additions and 732 deletions
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9
README
View File

@ -350,7 +350,7 @@ The following options need to be configured:
expect it to be in bytes, others in MB.
Define CONFIG_MEMSIZE_IN_BYTES to make it in bytes.
CONFIG_OF_LIBFDT / CONFIG_OF_FLAT_TREE
CONFIG_OF_LIBFDT
New kernel versions are expecting firmware settings to be
passed using flattened device trees (based on open firmware
@ -361,13 +361,6 @@ The following options need to be configured:
* Adds the "fdt" command
* The bootm command automatically updates the fdt
CONFIG_OF_FLAT_TREE
* Deprecated, see CONFIG_OF_LIBFDT
* Original ft_build.c-based support
* Automatically modifies the dft as part of the bootm command
* The environment variable "disable_of", when set,
disables this functionality.
OF_CPU - The proper name of the cpus node.
OF_SOC - The proper name of the soc node.
OF_TBCLK - The timebase frequency.

21
board/freescale/mpc7448hpc2/mpc7448hpc2.c
View File

@ -31,10 +31,7 @@
#include <common.h>
#include <74xx_7xx.h>
#if defined(CONFIG_OF_FLAT_TREE)
#include <ft_build.h>
extern void ft_cpu_setup (void *blob, bd_t *bd);
#endif
#include <fdt_support.h>
#undef DEBUG
@ -89,19 +86,11 @@ long int initdram (int board_type)
return dram_size (board_type);
}
#if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP)
#if defined(CONFIG_OF_BOARD_SETUP)
void
ft_board_setup (void *blob, bd_t *bd)
ft_board_setup(void *blob, bd_t *bd)
{
u32 *p;
int len;
ft_cpu_setup (blob, bd);
p = ft_get_prop (blob, "/memory/reg", &len);
if (p != NULL) {
*p++ = cpu_to_be32 (bd->bi_memstart);
*p = cpu_to_be32 (bd->bi_memsize);
}
ft_cpu_setup(blob, bd);
fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
}
#endif

4
board/tqc/tqm8272/tqm8272.c
View File

@ -30,10 +30,6 @@
#include <pci.h>
#include <asm/m8260_pci.h>
#endif
#if CONFIG_OF_FLAT_TREE
#include <ft_build.h>
#include <image.h>
#endif
#if 0
#define deb_printf(fmt,arg...) \

1
common/Makefile
View File

@ -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

134
common/cmd_fdt.c
View File

@ -45,6 +45,11 @@ static int fdt_valid(void);
static int fdt_parse_prop(char **newval, int count, char *data, int *len);
static int fdt_print(const char *pathp, char *prop, int depth);
/*
* The working_fdt points to our working flattened device tree.
*/
struct fdt_header *working_fdt;
/*
* Flattened Device Tree command, see the help for parameter definitions.
*/
@ -62,7 +67,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
/*
* Set the address [and length] of the fdt.
*/
fdt = (struct fdt_header *)simple_strtoul(argv[2], NULL, 16);
working_fdt = (struct fdt_header *)simple_strtoul(argv[2], NULL, 16);
if (!fdt_valid()) {
return 1;
@ -75,15 +80,15 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
* Optional new length
*/
len = simple_strtoul(argv[3], NULL, 16);
if (len < fdt_totalsize(fdt)) {
if (len < fdt_totalsize(working_fdt)) {
printf ("New length %d < existing length %d, "
"ignoring.\n",
len, fdt_totalsize(fdt));
len, fdt_totalsize(working_fdt));
} else {
/*
* Open in place with a new length.
*/
err = fdt_open_into(fdt, fdt, len);
err = fdt_open_into(working_fdt, working_fdt, len);
if (err != 0) {
printf ("libfdt fdt_open_into(): %s\n",
fdt_strerror(err));
@ -92,9 +97,9 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
}
/********************************************************************
* Move the fdt
* Move the working_fdt
********************************************************************/
} else if ((argv[1][0] == 'm') && (argv[1][1] == 'o')) {
} else if (strncmp(argv[1], "mo", 2) == 0) {
struct fdt_header *newaddr;
int len;
int err;
@ -107,7 +112,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
/*
* Set the address and length of the fdt.
*/
fdt = (struct fdt_header *)simple_strtoul(argv[2], NULL, 16);
working_fdt = (struct fdt_header *)simple_strtoul(argv[2], NULL, 16);
if (!fdt_valid()) {
return 1;
}
@ -119,13 +124,13 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
* current length.
*/
if (argc <= 4) {
len = fdt_totalsize(fdt);
len = fdt_totalsize(working_fdt);
} else {
len = simple_strtoul(argv[4], NULL, 16);
if (len < fdt_totalsize(fdt)) {
if (len < fdt_totalsize(working_fdt)) {
printf ("New length 0x%X < existing length "
"0x%X, aborting.\n",
len, fdt_totalsize(fdt));
len, fdt_totalsize(working_fdt));
return 1;
}
}
@ -133,18 +138,18 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
/*
* Copy to the new location.
*/
err = fdt_open_into(fdt, newaddr, len);
err = fdt_open_into(working_fdt, newaddr, len);
if (err != 0) {
printf ("libfdt fdt_open_into(): %s\n",
fdt_strerror(err));
return 1;
}
fdt = newaddr;
working_fdt = newaddr;
/********************************************************************
* Make a new node
********************************************************************/
} else if ((argv[1][0] == 'm') && (argv[1][1] == 'k')) {
} else if (strncmp(argv[1], "mk", 2) == 0) {
char *pathp; /* path */
char *nodep; /* new node to add */
int nodeoffset; /* node offset from libfdt */
@ -161,7 +166,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
pathp = argv[2];
nodep = argv[3];
nodeoffset = fdt_path_offset (fdt, pathp);
nodeoffset = fdt_path_offset (working_fdt, pathp);
if (nodeoffset < 0) {
/*
* Not found or something else bad happened.
@ -170,7 +175,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
fdt_strerror(nodeoffset));
return 1;
}
err = fdt_add_subnode(fdt, nodeoffset, nodep);
err = fdt_add_subnode(working_fdt, nodeoffset, nodep);
if (err < 0) {
printf ("libfdt fdt_add_subnode(): %s\n",
fdt_strerror(err));
@ -178,7 +183,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
}
/********************************************************************
* Set the value of a property in the fdt.
* Set the value of a property in the working_fdt.
********************************************************************/
} else if (argv[1][0] == 's') {
char *pathp; /* path */
@ -206,7 +211,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
return ret;
}
nodeoffset = fdt_path_offset (fdt, pathp);
nodeoffset = fdt_path_offset (working_fdt, pathp);
if (nodeoffset < 0) {
/*
* Not found or something else bad happened.
@ -216,7 +221,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
return 1;
}
ret = fdt_setprop(fdt, nodeoffset, prop, data, len);
ret = fdt_setprop(working_fdt, nodeoffset, prop, data, len);
if (ret < 0) {
printf ("libfdt fdt_setprop(): %s\n", fdt_strerror(ret));
return 1;
@ -259,7 +264,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
/********************************************************************
* Remove a property/node
********************************************************************/
} else if ((argv[1][0] == 'r') && (argv[1][1] == 'm')) {
} else if (strncmp(argv[1], "rm", 2) == 0) {
int nodeoffset; /* node offset from libfdt */
int err;
@ -267,7 +272,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
* Get the path. The root node is an oddball, the offset
* is zero and has no name.
*/
nodeoffset = fdt_path_offset (fdt, argv[2]);
nodeoffset = fdt_path_offset (working_fdt, argv[2]);
if (nodeoffset < 0) {
/*
* Not found or something else bad happened.
@ -281,14 +286,14 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
* otherwise delete the node.
*/
if (argc > 3) {
err = fdt_delprop(fdt, nodeoffset, argv[3]);
err = fdt_delprop(working_fdt, nodeoffset, argv[3]);
if (err < 0) {
printf("libfdt fdt_delprop(): %s\n",
fdt_strerror(err));
return err;
}
} else {
err = fdt_del_node(fdt, nodeoffset);
err = fdt_del_node(working_fdt, nodeoffset);
if (err < 0) {
printf("libfdt fdt_del_node(): %s\n",
fdt_strerror(err));
@ -300,38 +305,43 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
* Display header info
********************************************************************/
} else if (argv[1][0] == 'h') {
u32 version = fdt_version(fdt);
printf("magic:\t\t\t0x%x\n", fdt_magic(fdt));
printf("totalsize:\t\t0x%x (%d)\n", fdt_totalsize(fdt), fdt_totalsize(fdt));
printf("off_dt_struct:\t\t0x%x\n", fdt_off_dt_struct(fdt));
printf("off_dt_strings:\t\t0x%x\n", fdt_off_dt_strings(fdt));
printf("off_mem_rsvmap:\t\t0x%x\n", fdt_off_mem_rsvmap(fdt));
u32 version = fdt_version(working_fdt);
printf("magic:\t\t\t0x%x\n", fdt_magic(working_fdt));
printf("totalsize:\t\t0x%x (%d)\n", fdt_totalsize(working_fdt),
fdt_totalsize(working_fdt));
printf("off_dt_struct:\t\t0x%x\n",
fdt_off_dt_struct(working_fdt));
printf("off_dt_strings:\t\t0x%x\n",
fdt_off_dt_strings(working_fdt));
printf("off_mem_rsvmap:\t\t0x%x\n",
fdt_off_mem_rsvmap(working_fdt));
printf("version:\t\t%d\n", version);
printf("last_comp_version:\t%d\n", fdt_last_comp_version(fdt));
printf("last_comp_version:\t%d\n",
fdt_last_comp_version(working_fdt));
if (version >= 2)
printf("boot_cpuid_phys:\t0x%x\n",
fdt_boot_cpuid_phys(fdt));
fdt_boot_cpuid_phys(working_fdt));
if (version >= 3)
printf("size_dt_strings:\t0x%x\n",
fdt_size_dt_strings(fdt));
fdt_size_dt_strings(working_fdt));
if (version >= 17)
printf("size_dt_struct:\t\t0x%x\n",
fdt_size_dt_struct(fdt));
printf("number mem_rsv:\t\t0x%x\n", fdt_num_mem_rsv(fdt));
fdt_size_dt_struct(working_fdt));
printf("number mem_rsv:\t\t0x%x\n",
fdt_num_mem_rsv(working_fdt));
printf("\n");
/********************************************************************
* Set boot cpu id
********************************************************************/
} else if ((argv[1][0] == 'b') && (argv[1][1] == 'o') &&
(argv[1][2] == 'o')) {
} else if (strncmp(argv[1], "boo", 3) == 0) {
unsigned long tmp = simple_strtoul(argv[2], NULL, 16);
fdt_set_boot_cpuid_phys(fdt, tmp);
fdt_set_boot_cpuid_phys(working_fdt, tmp);
/********************************************************************
* memory command
********************************************************************/
} else if ((argv[1][0] == 'm') && (argv[1][1] == 'e')) {
} else if (strncmp(argv[1], "me", 2) == 0) {
uint64_t addr, size;
int err;
#ifdef CFG_64BIT_STRTOUL
@ -341,23 +351,23 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
addr = simple_strtoul(argv[2], NULL, 16);
size = simple_strtoul(argv[3], NULL, 16);
#endif
err = fdt_fixup_memory(fdt, addr, size);
err = fdt_fixup_memory(working_fdt, addr, size);
if (err < 0)
return err;
/********************************************************************
* mem reserve commands
********************************************************************/
} else if ((argv[1][0] == 'r') && (argv[1][1] == 's')) {
} else if (strncmp(argv[1], "rs", 2) == 0) {
if (argv[2][0] == 'p') {
uint64_t addr, size;
int total = fdt_num_mem_rsv(fdt);
int total = fdt_num_mem_rsv(working_fdt);
int j, err;
printf("index\t\t start\t\t size\n");
printf("-------------------------------"
"-----------------\n");
for (j = 0; j < total; j++) {
err = fdt_get_mem_rsv(fdt, j, &addr, &size);
err = fdt_get_mem_rsv(working_fdt, j, &addr, &size);
if (err < 0) {
printf("libfdt fdt_get_mem_rsv(): %s\n",
fdt_strerror(err));
@ -379,7 +389,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
addr = simple_strtoul(argv[3], NULL, 16);
size = simple_strtoul(argv[4], NULL, 16);
#endif
err = fdt_add_mem_rsv(fdt, addr, size);
err = fdt_add_mem_rsv(working_fdt, addr, size);
if (err < 0) {
printf("libfdt fdt_add_mem_rsv(): %s\n",
@ -388,7 +398,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
}
} else if (argv[2][0] == 'd') {
unsigned long idx = simple_strtoul(argv[3], NULL, 16);
int err = fdt_del_mem_rsv(fdt, idx);
int err = fdt_del_mem_rsv(working_fdt, idx);
if (err < 0) {
printf("libfdt fdt_del_mem_rsv(): %s\n",
@ -403,12 +413,12 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
}
#ifdef CONFIG_OF_BOARD_SETUP
/* Call the board-specific fixup routine */
else if (argv[1][0] == 'b')
ft_board_setup(fdt, gd->bd);
else if (strncmp(argv[1], "boa", 3) == 0)
ft_board_setup(working_fdt, gd->bd);
#endif
/* Create a chosen node */
else if (argv[1][0] == 'c')
fdt_chosen(fdt, 0, 0, 1);
fdt_chosen(working_fdt, 0, 0, 1);
else {
/* Unrecognized command */
printf ("Usage:\n%s\n", cmdtp->usage);
@ -424,12 +434,12 @@ static int fdt_valid(void)
{
int err;
if (fdt == NULL) {
if (working_fdt == NULL) {
printf ("The address of the fdt is invalid (NULL).\n");
return 0;
}
err = fdt_check_header(fdt);
err = fdt_check_header(working_fdt);
if (err == 0)
return 1; /* valid */
@ -439,17 +449,19 @@ static int fdt_valid(void)
* Be more informative on bad version.
*/
if (err == -FDT_ERR_BADVERSION) {
if (fdt_version(fdt) < FDT_FIRST_SUPPORTED_VERSION) {
if (fdt_version(working_fdt) <
FDT_FIRST_SUPPORTED_VERSION) {
printf (" - too old, fdt $d < %d",
fdt_version(fdt),
fdt_version(working_fdt),
FDT_FIRST_SUPPORTED_VERSION);
fdt = NULL;
working_fdt = NULL;
}
if (fdt_last_comp_version(fdt) > FDT_LAST_SUPPORTED_VERSION) {
if (fdt_last_comp_version(working_fdt) >
FDT_LAST_SUPPORTED_VERSION) {
printf (" - too new, fdt $d > %d",
fdt_version(fdt),
fdt_version(working_fdt),
FDT_LAST_SUPPORTED_VERSION);
fdt = NULL;
working_fdt = NULL;
}
return 0;
}
@ -645,7 +657,7 @@ static void print_data(const void *data, int len)
/****************************************************************************/
/*
* Recursively print (a portion of) the fdt. The depth parameter
* Recursively print (a portion of) the working_fdt. The depth parameter
* determines how deeply nested the fdt is printed.
*/
static int fdt_print(const char *pathp, char *prop, int depth)
@ -661,7 +673,7 @@ static int fdt_print(const char *pathp, char *prop, int depth)
int level = 0; /* keep track of nesting level */
const struct fdt_property *fdt_prop;
nodeoffset = fdt_path_offset (fdt, pathp);
nodeoffset = fdt_path_offset (working_fdt, pathp);
if (nodeoffset < 0) {
/*
* Not found or something else bad happened.
@ -675,7 +687,7 @@ static int fdt_print(const char *pathp, char *prop, int depth)
* Print only the given property and then return.
*/
if (prop) {
nodep = fdt_getprop (fdt, nodeoffset, prop, &len);
nodep = fdt_getprop (working_fdt, nodeoffset, prop, &len);
if (len == 0) {
/* no property value */
printf("%s %s\n", pathp, prop);
@ -697,10 +709,10 @@ static int fdt_print(const char *pathp, char *prop, int depth)
* print the node and all subnodes.
*/
while(level >= 0) {
tag = fdt_next_tag(fdt, nodeoffset, &nextoffset);
tag = fdt_next_tag(working_fdt, nodeoffset, &nextoffset);
switch(tag) {
case FDT_BEGIN_NODE:
pathp = fdt_get_name(fdt, nodeoffset, NULL);
pathp = fdt_get_name(working_fdt, nodeoffset, NULL);
if (level <= depth) {
if (pathp == NULL)
pathp = "/* NULL pointer error */";
@ -724,9 +736,9 @@ static int fdt_print(const char *pathp, char *prop, int depth)
}
break;
case FDT_PROP:
fdt_prop = fdt_offset_ptr(fdt, nodeoffset,
fdt_prop = fdt_offset_ptr(working_fdt, nodeoffset,
sizeof(*fdt_prop));
pathp = fdt_string(fdt,
pathp = fdt_string(working_fdt,
fdt32_to_cpu(fdt_prop->nameoff));
len = fdt32_to_cpu(fdt_prop->len);
nodep = fdt_prop->data;

5
common/fdt_support.c
View File

@ -35,11 +35,6 @@
*/
DECLARE_GLOBAL_DATA_PTR;
/*
* fdt points to our working device tree.
*/
struct fdt_header *fdt;
/**
* fdt_find_and_setprop: Find a node and set it's property

471
common/ft_build.c
View File

@ -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

35
cpu/74xx_7xx/cpu.c
View File

@ -44,8 +44,9 @@
#include <74xx_7xx.h>
#include <asm/cache.h>
#if defined(CONFIG_OF_FLAT_TREE)
#include <ft_build.h>
#if defined(CONFIG_OF_LIBFDT)
#include <libfdt.h>
#include <fdt_support.h>
#endif
#ifdef CONFIG_AMIGAONEG3SE
@ -301,29 +302,19 @@ watchdog_reset(void)
/* ------------------------------------------------------------------------- */
#ifdef CONFIG_OF_FLAT_TREE
void
ft_cpu_setup (void *blob, bd_t *bd)
#ifdef CONFIG_OF_LIBFDT
void ft_cpu_setup(void *blob, bd_t *bd)
{
u32 *p;
ulong clock;
int len;
do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
"timebase-frequency", bd->bi_busfreq / 4, 1);
do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
"bus-frequency", bd->bi_busfreq, 1);
do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
"clock-frequency", bd->bi_intfreq, 1);
clock = bd->bi_busfreq;
fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
p = ft_get_prop (blob, "/cpus/" OF_CPU "/bus-frequency", &len);
if (p != NULL)
*p = cpu_to_be32 (clock);
#if defined(CONFIG_TSI108_ETH)
p = ft_get_prop (blob, "/" OF_TSI "/ethernet@6200/address", &len);
memcpy (p, bd->bi_enetaddr, 6);
#endif
#if defined(CONFIG_HAS_ETH1)
p = ft_get_prop (blob, "/" OF_TSI "/ethernet@6600/address", &len);
memcpy (p, bd->bi_enet1addr, 6);
#endif
fdt_fixup_ethernet(blob, bd);
}
#endif
/* ------------------------------------------------------------------------- */

31
drivers/pci/tsi108_pci.c
View File

@ -33,8 +33,9 @@
#include <pci.h>
#include <asm/io.h>
#include <tsi108.h>
#ifdef CONFIG_OF_FLAT_TREE
#include <ft_build.h>
#if defined(CONFIG_OF_LIBFDT)
#include <libfdt.h>
#include <fdt_support.h>
#endif
struct pci_controller local_hose;
@ -162,20 +163,24 @@ void pci_init_board (void)
return;
}
#ifdef CONFIG_OF_FLAT_TREE
void
ft_pci_setup (void *blob, bd_t *bd)
#if defined(CONFIG_OF_LIBFDT)
void ft_pci_setup(void *blob, bd_t *bd)
{
u32 *p;
int len;
int nodeoffset;
int tmp[2];
const char *path;
p = (u32 *)ft_get_prop (blob, "/" OF_TSI "/pci@1000/bus-range", &len);
if (p != NULL) {
p[0] = local_hose.first_busno;
p[1] = local_hose.last_busno;
nodeoffset = fdt_path_offset(blob, "/aliases");
if (nodeoffset >= 0) {
path = fdt_getprop(blob, nodeoffset, "pci", NULL);
if (path) {
tmp[0] = cpu_to_be32(local_hose.first_busno);
tmp[1] = cpu_to_be32(local_hose.last_busno);
do_fixup_by_path(blob, path, "bus-range",
&tmp, sizeof(tmp), 1);
}
}
}
#endif
#endif /* CONFIG_OF_LIBFDT */
#endif /* CONFIG_TSI108_PCI */

3
include/configs/mpc7448hpc2.h
View File

@ -58,6 +58,7 @@
#define CONFIG_BOARD_EARLY_INIT_R
#define CONFIG_MISC_INIT_R
#define CONFIG_HAS_ETH0
#define CONFIG_HAS_ETH1
#define CONFIG_ENV_OVERWRITE
@ -75,7 +76,7 @@
#define CFG_PROMPT_HUSH_PS2 "> "
/* Pass open firmware flat tree */
#define CONFIG_OF_FLAT_TREE 1
#define CONFIG_OF_LIBFDT 1
#define CONFIG_OF_BOARD_SETUP 1
#define OF_CPU "PowerPC,7448@0"

4
include/configs/stxxtc.h
View File

@ -590,8 +590,8 @@ typedef unsigned int led_id_t;
/*****************************************************************************/
/* pass open firmware flat tree */
#define CONFIG_OF_FLAT_TREE 1
/* pass open firmware flattened device tree */
#define CONFIG_OF_LIBFDT 1
#define OF_CPU "PowerPC,MPC870@0"
#define OF_TBCLK (MPC8XX_HZ / 16)

71
include/ft_build.h
View File

@ -1,71 +0,0 @@
/*
* OF Flat tree builder
*
*/
#ifndef FT_BUILD_H
#define FT_BUILD_H
#include <linux/types.h>
#include <asm/u-boot.h>
/* Definitions used by the flattened device tree */
#define OF_DT_HEADER 0xd00dfeed /* marker */
#define OF_DT_BEGIN_NODE 0x1 /* Start of node, full name */
#define OF_DT_END_NODE 0x2 /* End node */
#define OF_DT_PROP 0x3 /* Property: name off, size,
* content */
#define OF_DT_NOP 0x4 /* nop */
#define OF_DT_END 0x9
#define OF_DT_VERSION 0x10
struct boot_param_header {
u32 magic; /* magic word OF_DT_HEADER */
u32 totalsize; /* total size of DT block */
u32 off_dt_struct; /* offset to structure */
u32 off_dt_strings; /* offset to strings */
u32 off_mem_rsvmap; /* offset to memory reserve map */
u32 version; /* format version */
u32 last_comp_version; /* last compatible version */
/* version 2 fields below */
u32 boot_cpuid_phys; /* Physical CPU id we're booting on */
/* version 3 fields below */
u32 dt_strings_size; /* size of the DT strings block */
};
struct ft_cxt {
struct boot_param_header *bph;
u8 *p_rsvmap;
u8 *p_start; /* pointer to beginning of dt_struct */
u8 *p_end; /* pointer to end of dt_strings */
u8 *p; /* pointer to end of dt_struct and beginning of dt_strings */
};
void ft_begin_node(struct ft_cxt *cxt, const char *name);
void ft_init_cxt(struct ft_cxt *cxt, void *blob);
void ft_end_node(struct ft_cxt *cxt);
void ft_end_tree(struct ft_cxt *cxt);
void ft_finalize_tree(struct ft_cxt *cxt);
void ft_nop(struct ft_cxt *cxt);
void ft_prop(struct ft_cxt *cxt, const char *name, const void *data, int sz);
void ft_prop_str(struct ft_cxt *cxt, const char *name, const char *str);
void ft_prop_int(struct ft_cxt *cxt, const char *name, int val);
void ft_begin(struct ft_cxt *cxt, void *blob, int max_size);
void ft_add_rsvmap(struct ft_cxt *cxt, u64 physaddr, u64 size);
void ft_setup(void *blob, bd_t * bd, ulong initrd_start, ulong initrd_end);
void ft_dump_blob(const void *bphp);
void ft_merge_blob(struct ft_cxt *cxt, void *blob);
void *ft_get_prop(void *bphp, const char *propname, int *szp);
#ifdef CONFIG_OF_BOARD_SETUP
void ft_board_setup(void *blob, bd_t *bd);
void ft_cpu_setup(void *blob, bd_t *bd);
void ft_pci_setup(void *blob, bd_t *bd);
#endif
#endif

2
include/libfdt_env.h
View File

@ -31,7 +31,7 @@
#include <stddef.h>
#include <asm/byteorder.h>
extern struct fdt_header *fdt; /* Pointer to the working fdt */
extern struct fdt_header *working_fdt; /* Pointer to the working fdt */
#define fdt32_to_cpu(x) __be32_to_cpu(x)
#define cpu_to_fdt32(x) __cpu_to_be32(x)

2
lib_ppc/bootm.c
View File

@ -750,7 +750,7 @@ static int boot_relocate_fdt (struct lmb *lmb, ulong bootmap_base,
*of_flat_tree = (char *)of_start;
} else {
*of_flat_tree = fdt_blob;
lmb_reserve(lmb, (ulong)fdt, of_len);
lmb_reserve(lmb, (ulong)working_fdt, of_len);
}
return 0;

17
libfdt/fdt.c
View File

@ -133,16 +133,23 @@ uint32_t fdt_next_tag(const void *fdt, int offset, int *nextoffset)
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_next_node(const void *fdt, int offset, int *depth)
{
int nextoffset = 0;
uint32_t tag;
if (offset >= 0) {
tag = fdt_next_tag(fdt, offset, &nextoffset);
if (tag != FDT_BEGIN_NODE)
return -FDT_ERR_BADOFFSET;
}
if (offset >= 0)
if ((nextoffset = _fdt_check_node_offset(fdt, offset)) < 0)
return nextoffset;
do {
offset = nextoffset;

26
libfdt/fdt_ro.c
View File

@ -161,16 +161,12 @@ int fdt_path_offset(const void *fdt, const char *path)
const char *fdt_get_name(const void *fdt, int nodeoffset, int *len)
{
const struct fdt_node_header *nh;
const struct fdt_node_header *nh = _fdt_offset_ptr(fdt, nodeoffset);
int err;
if ((err = fdt_check_header(fdt)) != 0)
goto fail;
err = -FDT_ERR_BADOFFSET;
nh = fdt_offset_ptr(fdt, nodeoffset, sizeof(*nh));
if (!nh || (fdt32_to_cpu(nh->tag) != FDT_BEGIN_NODE))
goto fail;
if (((err = fdt_check_header(fdt)) != 0)
|| ((err = _fdt_check_node_offset(fdt, nodeoffset)) < 0))
goto fail;
if (len)
*len = strlen(nh->name);
@ -193,17 +189,11 @@ const struct fdt_property *fdt_get_property(const void *fdt,
int offset, nextoffset;
int err;
if ((err = fdt_check_header(fdt)) != 0)
goto fail;
err = -FDT_ERR_BADOFFSET;
if (nodeoffset % FDT_TAGSIZE)
goto fail;
tag = fdt_next_tag(fdt, nodeoffset, &nextoffset);
if (tag != FDT_BEGIN_NODE)
goto fail;
if (((err = fdt_check_header(fdt)) != 0)
|| ((err = _fdt_check_node_offset(fdt, nodeoffset)) < 0))
goto fail;
nextoffset = err;
do {
offset = nextoffset;

24
libfdt/fdt_rw.c
View File

@ -176,8 +176,7 @@ int fdt_add_mem_rsv(void *fdt, uint64_t address, uint64_t size)
struct fdt_reserve_entry *re;
int err;
if ((err = rw_check_header(fdt)))
return err;
RW_CHECK_HEADER(fdt);
re = _fdt_mem_rsv_w(fdt, fdt_num_mem_rsv(fdt));
err = _blob_splice_mem_rsv(fdt, re, 0, 1);
@ -194,8 +193,8 @@ int fdt_del_mem_rsv(void *fdt, int n)
struct fdt_reserve_entry *re = _fdt_mem_rsv_w(fdt, n);
int err;
if ((err = rw_check_header(fdt)))
return err;
RW_CHECK_HEADER(fdt);
if (n >= fdt_num_mem_rsv(fdt))
return -FDT_ERR_NOTFOUND;
@ -227,15 +226,13 @@ static int _resize_property(void *fdt, int nodeoffset, const char *name, int len
static int _add_property(void *fdt, int nodeoffset, const char *name, int len,
struct fdt_property **prop)
{
uint32_t tag;
int proplen;
int nextoffset;
int namestroff;
int err;
tag = fdt_next_tag(fdt, nodeoffset, &nextoffset);
if (tag != FDT_BEGIN_NODE)
return -FDT_ERR_BADOFFSET;
if ((nextoffset = _fdt_check_node_offset(fdt, nodeoffset)) < 0)
return nextoffset;
namestroff = _find_add_string(fdt, name);
if (namestroff < 0)
@ -260,8 +257,7 @@ int fdt_set_name(void *fdt, int nodeoffset, const char *name)
int oldlen, newlen;
int err;
if ((err = rw_check_header(fdt)))
return err;
RW_CHECK_HEADER(fdt);
namep = (char *)fdt_get_name(fdt, nodeoffset, &oldlen);
if (!namep)
@ -284,8 +280,7 @@ int fdt_setprop(void *fdt, int nodeoffset, const char *name,
struct fdt_property *prop;
int err;
if ((err = rw_check_header(fdt)))
return err;
RW_CHECK_HEADER(fdt);
err = _resize_property(fdt, nodeoffset, name, len, &prop);
if (err == -FDT_ERR_NOTFOUND)
@ -456,11 +451,8 @@ int fdt_open_into(const void *fdt, void *buf, int bufsize)
int fdt_pack(void *fdt)
{
int mem_rsv_size;
int err;
err = rw_check_header(fdt);
if (err)
return err;
RW_CHECK_HEADER(fdt);
mem_rsv_size = (fdt_num_mem_rsv(fdt)+1)
* sizeof(struct fdt_reserve_entry);

31
libfdt/fdt_sw.c
View File

@ -55,13 +55,21 @@
#include "libfdt_internal.h"
static int check_header_sw(void *fdt)
static int sw_check_header(void *fdt)
{
if (fdt_magic(fdt) != SW_MAGIC)
return -FDT_ERR_BADMAGIC;
/* FIXME: should check more details about the header state */
return 0;
}
#define SW_CHECK_HEADER(fdt) \
{ \
int err; \
if ((err = sw_check_header(fdt)) != 0) \
return err; \
}
static void *grab_space(void *fdt, int len)
{
int offset = fdt_size_dt_struct(fdt);
@ -102,11 +110,10 @@ int fdt_create(void *buf, int bufsize)
int fdt_add_reservemap_entry(void *fdt, uint64_t addr, uint64_t size)
{
struct fdt_reserve_entry *re;
int err = check_header_sw(fdt);
int offset;
if (err)
return err;
SW_CHECK_HEADER(fdt);
if (fdt_size_dt_struct(fdt))
return -FDT_ERR_BADSTATE;
@ -131,11 +138,9 @@ int fdt_finish_reservemap(void *fdt)
int fdt_begin_node(void *fdt, const char *name)
{
struct fdt_node_header *nh;
int err = check_header_sw(fdt);
int namelen = strlen(name) + 1;
if (err)
return err;
SW_CHECK_HEADER(fdt);
nh = grab_space(fdt, sizeof(*nh) + ALIGN(namelen, FDT_TAGSIZE));
if (! nh)
@ -149,10 +154,8 @@ int fdt_begin_node(void *fdt, const char *name)
int fdt_end_node(void *fdt)
{
uint32_t *en;
int err = check_header_sw(fdt);
if (err)
return err;
SW_CHECK_HEADER(fdt);
en = grab_space(fdt, FDT_TAGSIZE);
if (! en)
@ -188,11 +191,9 @@ static int find_add_string(void *fdt, const char *s)
int fdt_property(void *fdt, const char *name, const void *val, int len)
{
struct fdt_property *prop;
int err = check_header_sw(fdt);
int nameoff;
if (err)
return err;
SW_CHECK_HEADER(fdt);
nameoff = find_add_string(fdt, name);
if (nameoff == 0)
@ -211,15 +212,13 @@ int fdt_property(void *fdt, const char *name, const void *val, int len)
int fdt_finish(void *fdt)
{
int err = check_header_sw(fdt);
char *p = (char *)fdt;
uint32_t *end;
int oldstroffset, newstroffset;
uint32_t tag;
int offset, nextoffset;
if (err)
return err;
SW_CHECK_HEADER(fdt);
/* Add terminator */
end = grab_space(fdt, sizeof(*end));

1
libfdt/libfdt_internal.h
View File

@ -66,6 +66,7 @@
}
uint32_t _fdt_next_tag(const void *fdt, int startoffset, int *nextoffset);
int _fdt_check_node_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);