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