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#ifndef _LIBFDT_H
#define _LIBFDT_H
/*
* libfdt - Flat Device Tree manipulation
* Copyright (C) 2006 David Gibson, IBM Corporation.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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
*/
#include <fdt.h>
#include <libfdt_env.h>
#define FDT_FIRST_SUPPORTED_VERSION 0x10
#define FDT_LAST_SUPPORTED_VERSION 0x10
/* Errors */
#define FDT_ERR_OK 0
#define FDT_ERR_BADMAGIC 1
#define FDT_ERR_BADVERSION 2
#define FDT_ERR_BADPOINTER 3
#define FDT_ERR_BADHEADER 4
#define FDT_ERR_BADSTRUCTURE 5
#define FDT_ERR_BADOFFSET 6
#define FDT_ERR_NOTFOUND 7
#define FDT_ERR_BADPATH 8
#define FDT_ERR_TRUNCATED 9
#define FDT_ERR_NOSPACE 10
#define FDT_ERR_BADSTATE 11
#define FDT_ERR_SIZE_MISMATCH 12
#define FDT_ERR_INTERNAL 13
#define FDT_ERR_MAX 13
#define fdt_magic(fdt) (fdt32_to_cpu(fdt)->magic)
#define fdt_totalsize(fdt) (fdt32_to_cpu(fdt)->totalsize)
#define fdt_off_dt_struct(fdt) (fdt32_to_cpu(fdt)->off_dt_struct)
#define fdt_off_dt_strings(fdt) (fdt32_to_cpu(fdt)->off_dt_strings)
#define fdt_off_mem_rsvmap(fdt) (fdt32_to_cpu(fdt)->off_mem_rsvmap)
#define fdt_version(fdt) (fdt32_to_cpu(fdt)->version)
#define fdt_last_comp_version(fdt) (fdt32_to_cpu(fdt)->last_comp_version)
#define fdt_boot_cpuid_phys(fdt) (fdt32_to_cpu(fdt)->boot_cpuid_phys)
#define fdt_size_dt_strings(fdt) (fdt32_to_cpu(fdt)->size_dt_strings)
void *fdt_offset_ptr(const struct fdt_header *fdt, int offset, int checklen);
#define fdt_offset_ptr_typed(fdt, offset, var) \
((typeof(var))(fdt_offset_ptr((fdt), (offset), sizeof(*(var)))))
#define fdt_offset_error(offset) \
( (offset) < 0 ? -(offset) : 0 )
#define fdt_ptr_error(ptr) \
( (((long)(ptr) < 0) && ((long)(ptr) >= -FDT_ERR_MAX)) ? -(long)(ptr) : 0 )
/* Read-only functions */
char *fdt_string(const struct fdt_header *fdt, int stroffset);
int fdt_property_offset(const struct fdt_header *fdt, int nodeoffset,
const char *name);
int fdt_subnode_offset_namelen(const struct fdt_header *fdt, int parentoffset,
const char *name, int namelen);
int fdt_subnode_offset(const struct fdt_header *fdt, int parentoffset,
const char *name);
int fdt_path_offset(const struct fdt_header *fdt, const char *path);
void *fdt_getprop(const struct fdt_header *fdt, int nodeoffset,
const char *name, int *lenp);
/* Write-in-place functions */
int fdt_setprop_inplace(struct fdt_header *fdt, int nodeoffset, const char *name,
const void *val, int len);
#define fdt_setprop_inplace_typed(fdt, nodeoffset, name, val) \
({ \
typeof(val) x = val; \
fdt_setprop_inplace(fdt, nodeoffset, name, &x, sizeof(x)); \
})
int fdt_nop_property(struct fdt_header *fdt, int nodeoffset, const char *name);
int fdt_nop_node(struct fdt_header *fdt, int nodeoffset);
/* Sequential-write functions */
struct fdt_header *fdt_create(void *buf, int bufsize);
int fdt_add_reservemap_entry(struct fdt_header *fdt, uint64_t addr, uint64_t size);
int fdt_finish_reservemap(struct fdt_header *fdt);
int fdt_begin_node(struct fdt_header *fdt, const char *name);
int fdt_property(struct fdt_header *fdt, const char *name, const void *val, int len);
#define fdt_property_typed(fdt, name, val) \
({ \
typeof(val) x = (val); \
fdt_property((fdt), (name), &x, sizeof(x)); \
})
#define fdt_property_string(fdt, name, str) \
fdt_property(fdt, name, str, strlen(str)+1)
int fdt_end_node(struct fdt_header *fdt);
int fdt_finish(struct fdt_header *fdt);
#if 0
/* Read-write functions */
struct fdt_header *fdt_open(struct fdt_header *fdt, int bufsize);
int fdt_add_subnode(struct fdt_header *fdtx, void *node, const char *name);
int fdt_set_property(struct fdt_header *fdtx, void *node, const char *name,
const void *val, int len);
int fdt_del_property(struct fdt_header *fdtx, void *node, const char *name);
/* Misc functions */
struct fdt_header *fdt_move(struct fdt_header *fdt, void *buf, int bufsize);
#endif
#endif /* _LIBFDT_H */
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