dt_table.h
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/* SPDX-License-Identifier: BSD-3-Clause */
/*
* This is from the Android Project,
* Repository: https://android.googlesource.com/platform/system/libufdt
* File: utils/src/dt_table.h
* Commit: 2626d8b9e4d8e8c6cc67ceb1dc4e05a47779785c
* Copyright (C) 2017 The Android Open Source Project
*/
#ifndef DT_TABLE_H
#define DT_TABLE_H
#include <linux/types.h>
#define DT_TABLE_MAGIC 0xd7b7ab1e
#define DT_TABLE_DEFAULT_PAGE_SIZE 2048
#define DT_TABLE_DEFAULT_VERSION 0
struct dt_table_header {
u32 magic; /* DT_TABLE_MAGIC */
u32 total_size; /* includes dt_table_header + all dt_table_entry
* and all dtb/dtbo
*/
u32 header_size; /* sizeof(dt_table_header) */
u32 dt_entry_size; /* sizeof(dt_table_entry) */
u32 dt_entry_count; /* number of dt_table_entry */
u32 dt_entries_offset; /* offset to the first dt_table_entry
* from head of dt_table_header.
* The value will be equal to header_size if
* no padding is appended
*/
u32 page_size; /* flash page size we assume */
u32 version; /* DTBO image version, the current version is 0.
* The version will be incremented when the
* dt_table_header struct is updated.
*/
};
struct dt_table_entry {
u32 dt_size;
u32 dt_offset; /* offset from head of dt_table_header */
u32 id; /* optional, must be zero if unused */
u32 rev; /* optional, must be zero if unused */
u32 custom[4]; /* optional, must be zero if unused */
};
#endif