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/*
* Copyright (c) 2017 Google, Inc
* Written by Simon Glass <sjg@chromium.org>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _DM_OF_EXTRA_H
#define _DM_OF_EXTRA_H
#include <dm/ofnode.h>
enum fmap_compress_t {
FMAP_COMPRESS_NONE,
FMAP_COMPRESS_LZO,
};
enum fmap_hash_t {
FMAP_HASH_NONE,
FMAP_HASH_SHA1,
FMAP_HASH_SHA256,
};
/* A flash map entry, containing an offset and length */
struct fmap_entry {
uint32_t offset;
uint32_t length;
uint32_t used; /* Number of bytes used in region */
enum fmap_compress_t compress_algo; /* Compression type */
enum fmap_hash_t hash_algo; /* Hash algorithm */
const uint8_t *hash; /* Hash value */
int hash_size; /* Hash size */
};
/**
* Read a flash entry from the fdt
*
* @param node Reference to node to read
* @param name Name of node being read
* @param entry Place to put offset and size of this node
* @return 0 if ok, -ve on error
*/
int of_read_fmap_entry(ofnode node, const char *name,
struct fmap_entry *entry);
#endif
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