1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (c) 2017 Google, Inc
4 * Written by Simon Glass <sjg@chromium.org>
8 #include <linux/libfdt.h>
9 #include <dm/of_access.h>
10 #include <dm/of_extra.h>
11 #include <dm/ofnode.h>
13 int ofnode_read_fmap_entry(ofnode node, struct fmap_entry *entry)
18 if (ofnode_read_u32_array(node, "reg", reg, 2)) {
19 debug("Node '%s' has bad/missing 'reg' property\n",
20 ofnode_get_name(node));
21 return -log_ret(ENOENT);
23 entry->offset = reg[0];
24 entry->length = reg[1];
25 entry->used = ofnode_read_s32_default(node, "used", entry->length);
26 prop = ofnode_read_string(node, "compress");
27 entry->compress_algo = prop && !strcmp(prop, "lzo") ?
28 FMAP_COMPRESS_LZO : FMAP_COMPRESS_NONE;
29 prop = ofnode_read_string(node, "hash");
31 entry->hash_size = strlen(prop);
32 entry->hash_algo = prop ? FMAP_HASH_SHA256 : FMAP_HASH_NONE;
33 entry->hash = (uint8_t *)prop;