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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
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