diff options
Diffstat (limited to 'include/dm')
-rw-r--r-- | include/dm/of_extra.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/include/dm/of_extra.h b/include/dm/of_extra.h new file mode 100644 index 0000000000..01b6ebedff --- /dev/null +++ b/include/dm/of_extra.h @@ -0,0 +1,46 @@ +/* + * 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 |