1*83d290c5STom Rini // SPDX-License-Identifier: GPL-2.0+ 2b7e0d73bSSimon Glass /* 3b7e0d73bSSimon Glass * Copyright (c) 2017 Google, Inc 4b7e0d73bSSimon Glass * Written by Simon Glass <sjg@chromium.org> 5b7e0d73bSSimon Glass */ 6b7e0d73bSSimon Glass 7b7e0d73bSSimon Glass #include <common.h> 8b08c8c48SMasahiro Yamada #include <linux/libfdt.h> 9b7e0d73bSSimon Glass #include <dm/of_access.h> 10b7e0d73bSSimon Glass #include <dm/of_extra.h> 11b7e0d73bSSimon Glass #include <dm/ofnode.h> 12b7e0d73bSSimon Glass 13b7e0d73bSSimon Glass int of_read_fmap_entry(ofnode node, const char *name, 14b7e0d73bSSimon Glass struct fmap_entry *entry) 15b7e0d73bSSimon Glass { 16b7e0d73bSSimon Glass const char *prop; 17b7e0d73bSSimon Glass u32 reg[2]; 18b7e0d73bSSimon Glass 19b7e0d73bSSimon Glass if (ofnode_read_u32_array(node, "reg", reg, 2)) { 20b7e0d73bSSimon Glass debug("Node '%s' has bad/missing 'reg' property\n", name); 21b7e0d73bSSimon Glass return -FDT_ERR_NOTFOUND; 22b7e0d73bSSimon Glass } 23b7e0d73bSSimon Glass entry->offset = reg[0]; 24b7e0d73bSSimon Glass entry->length = reg[1]; 25b7e0d73bSSimon Glass entry->used = ofnode_read_s32_default(node, "used", entry->length); 26b7e0d73bSSimon Glass prop = ofnode_read_string(node, "compress"); 27b7e0d73bSSimon Glass entry->compress_algo = prop && !strcmp(prop, "lzo") ? 28b7e0d73bSSimon Glass FMAP_COMPRESS_LZO : FMAP_COMPRESS_NONE; 29b7e0d73bSSimon Glass prop = ofnode_read_string(node, "hash"); 30b7e0d73bSSimon Glass if (prop) 31b7e0d73bSSimon Glass entry->hash_size = strlen(prop); 32b7e0d73bSSimon Glass entry->hash_algo = prop ? FMAP_HASH_SHA256 : FMAP_HASH_NONE; 33b7e0d73bSSimon Glass entry->hash = (uint8_t *)prop; 34b7e0d73bSSimon Glass 35b7e0d73bSSimon Glass return 0; 36b7e0d73bSSimon Glass } 37