b7e0d73bad
Some functions deal with structured data rather than simple data types. It makes sense to have these in their own file. For now this just has a function to read a flashmap entry. Move the data types also. Signed-off-by: Simon Glass <sjg@chromium.org>
47 lines
1018 B
C
47 lines
1018 B
C
/*
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* Copyright (c) 2017 Google, Inc
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* Written by Simon Glass <sjg@chromium.org>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _DM_OF_EXTRA_H
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#define _DM_OF_EXTRA_H
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#include <dm/ofnode.h>
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enum fmap_compress_t {
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FMAP_COMPRESS_NONE,
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FMAP_COMPRESS_LZO,
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};
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enum fmap_hash_t {
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FMAP_HASH_NONE,
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FMAP_HASH_SHA1,
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FMAP_HASH_SHA256,
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};
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/* A flash map entry, containing an offset and length */
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struct fmap_entry {
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uint32_t offset;
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uint32_t length;
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uint32_t used; /* Number of bytes used in region */
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enum fmap_compress_t compress_algo; /* Compression type */
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enum fmap_hash_t hash_algo; /* Hash algorithm */
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const uint8_t *hash; /* Hash value */
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int hash_size; /* Hash size */
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};
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/**
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* Read a flash entry from the fdt
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*
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* @param node Reference to node to read
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* @param name Name of node being read
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* @param entry Place to put offset and size of this node
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* @return 0 if ok, -ve on error
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*/
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int of_read_fmap_entry(ofnode node, const char *name,
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struct fmap_entry *entry);
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#endif
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