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/*
* Copyright (c) 2018 Western Digital Corporation or its affiliates.
*
* Authors:
* Anup Patel <anup.patel@wdc.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#ifndef __FDT_H__
#define __FDT_H__
#include <sbi/sbi_types.h>
struct fdt_node {
char *data;
const struct fdt_node *parent;
const char *name;
int depth;
int address_cells;
int size_cells;
};
struct fdt_prop {
const struct fdt_node *node;
const char *name;
void *value;
u32 len;
};
/* Reverse byte-order of 32bit number */
u32 fdt_rev32(u32 v);
/* Length of a string */
ulong fdt_strlen(const char *str);
/* Compate two strings */
int fdt_strcmp(const char *a, const char *b);
/* Find index of matching string from a list of strings */
int fdt_prop_string_index(const struct fdt_prop *prop,
const char *str);
/* Iterate over each property of matching node */
int fdt_match_node_prop(void *fdt,
int (*match)(const struct fdt_node *node,
const struct fdt_prop *prop,
void *priv),
void *match_priv,
void (*fn)(const struct fdt_node *node,
const struct fdt_prop *prop,
void *priv),
void *fn_priv);
/* Iterate over each property of compatible node */
int fdt_compat_node_prop(void *fdt,
const char *compat,
void (*fn)(const struct fdt_node *node,
const struct fdt_prop *prop,
void *priv),
void *fn_priv);
/* Iterate over each node and property */
int fdt_walk(void *fdt,
void (*fn)(const struct fdt_node *node,
const struct fdt_prop *prop,
void *priv),
void *fn_priv);
/* Get size of FDT */
u32 fdt_size(void *fdt);
#endif
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