/*
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* (C) Copyright 2018 Linaro Ltd.
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* Sam Protsenko <semen.protsenko@linaro.org>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef IMAGE_ANDROID_DT_H
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#define IMAGE_ANDROID_DT_H
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#include <linux/types.h>
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bool android_dt_check_header(ulong hdr_addr);
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bool android_dt_get_fdt_by_index(ulong hdr_addr, u32 index, ulong *addr,
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u32 *size);
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int android_dt_get_count(ulong hdr_addr);
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#if !defined(CONFIG_SPL_BUILD)
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void android_dt_print_contents(ulong hdr_addr);
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#endif
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/**
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* dt_for_each_entry() - iterate over all dt entry of DT image
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*
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* @entry: struct dt_table_entry pointing to entry address
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* @hdr: struct dt_table_header pointing to hdr address
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* @idx: temporary index variant
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*
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* This is a wrapper around a for loop and is used like so:
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*
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* struct dt_table_header *hdr;
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* struct dt_table_entry *entry;
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* int index;
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*
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* ......
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*
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* dt_for_each_entry(entry, hdr, index) {
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* Use entry
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* ...
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* }
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*
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*/
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#define dt_for_each_entry(entry, hdr, idx) \
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for (idx = 0, android_dt_get_fdt_by_index((ulong)hdr, idx, (ulong *)&entry, NULL); \
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idx < android_dt_get_count((ulong)hdr); \
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idx++, android_dt_get_fdt_by_index((ulong)hdr, idx, (ulong *)&entry, NULL))
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#endif /* IMAGE_ANDROID_DT_H */
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