LXR uboot/include/dm/of

   1/* SPDX-License-Identifier: GPL-2.0+ */
   2/*
   3 * Copyright (c) 2017 Google, Inc
   4 * Written by Simon Glass <sjg@chromium.org>
   5 */
   6
   7#ifndef _DM_OF_EXTRA_H
   8#define _DM_OF_EXTRA_H
   9
  10#include <dm/ofnode.h>
  11
  12enum fmap_compress_t {
  13        FMAP_COMPRESS_NONE,
  14        FMAP_COMPRESS_LZO,
  15};
  16
  17enum fmap_hash_t {
  18        FMAP_HASH_NONE,
  19        FMAP_HASH_SHA1,
  20        FMAP_HASH_SHA256,
  21};
  22
  23/* A flash map entry, containing an offset and length */
  24struct fmap_entry {
  25        uint32_t offset;
  26        uint32_t length;
  27        uint32_t used;                  /* Number of bytes used in region */
  28        enum fmap_compress_t compress_algo;     /* Compression type */
  29        enum fmap_hash_t hash_algo;             /* Hash algorithm */
  30        const uint8_t *hash;                    /* Hash value */
  31        int hash_size;                          /* Hash size */
  32};
  33
  34/**
  35 * Read a flash entry from the fdt
  36 *
  37 * @param node  Reference to node to read
  38 * @param name          Name of node being read
  39 * @param entry         Place to put offset and size of this node
  40 * @return 0 if ok, -ve on error
  41 */
  42int of_read_fmap_entry(ofnode node, const char *name,
  43                       struct fmap_entry *entry);
  44
  45#endif
  46