blob: 0381909848c3ccdf6d5b9d8302f22e00d05b4514 [file] [log] [blame]
Simon Glass0fbf66b2017-05-18 20:09:02 -06001/*
2 * Copyright (c) 2017 Google, Inc
3 * Written by Simon Glass <sjg@chromium.org>
4 *
5 * SPDX-License-Identifier: GPL-2.0+
6 */
7
8#include <common.h>
9#include <libfdt.h>
10#include <dm/of_access.h>
11#include <dm/of_extra.h>
12#include <dm/ofnode.h>
13
14int of_read_fmap_entry(ofnode node, const char *name,
15 struct fmap_entry *entry)
16{
17 const char *prop;
18 u32 reg[2];
19
20 if (ofnode_read_u32_array(node, "reg", reg, 2)) {
21 debug("Node '%s' has bad/missing 'reg' property\n", name);
22 return -FDT_ERR_NOTFOUND;
23 }
24 entry->offset = reg[0];
25 entry->length = reg[1];
26 entry->used = ofnode_read_s32_default(node, "used", entry->length);
27 prop = ofnode_read_string(node, "compress");
28 entry->compress_algo = prop && !strcmp(prop, "lzo") ?
29 FMAP_COMPRESS_LZO : FMAP_COMPRESS_NONE;
30 prop = ofnode_read_string(node, "hash");
31 if (prop)
32 entry->hash_size = strlen(prop);
33 entry->hash_algo = prop ? FMAP_HASH_SHA256 : FMAP_HASH_NONE;
34 entry->hash = (uint8_t *)prop;
35
36 return 0;
37}