1*b7e0d73bSSimon Glass /* 2*b7e0d73bSSimon Glass * Copyright (c) 2017 Google, Inc 3*b7e0d73bSSimon Glass * Written by Simon Glass <sjg@chromium.org> 4*b7e0d73bSSimon Glass * 5*b7e0d73bSSimon Glass * SPDX-License-Identifier: GPL-2.0+ 6*b7e0d73bSSimon Glass */ 7*b7e0d73bSSimon Glass 8*b7e0d73bSSimon Glass #include <common.h> 9*b7e0d73bSSimon Glass #include <libfdt.h> 10*b7e0d73bSSimon Glass #include <dm/of_access.h> 11*b7e0d73bSSimon Glass #include <dm/of_extra.h> 12*b7e0d73bSSimon Glass #include <dm/ofnode.h> 13*b7e0d73bSSimon Glass 14*b7e0d73bSSimon Glass int of_read_fmap_entry(ofnode node, const char *name, 15*b7e0d73bSSimon Glass struct fmap_entry *entry) 16*b7e0d73bSSimon Glass { 17*b7e0d73bSSimon Glass const char *prop; 18*b7e0d73bSSimon Glass u32 reg[2]; 19*b7e0d73bSSimon Glass 20*b7e0d73bSSimon Glass if (ofnode_read_u32_array(node, "reg", reg, 2)) { 21*b7e0d73bSSimon Glass debug("Node '%s' has bad/missing 'reg' property\n", name); 22*b7e0d73bSSimon Glass return -FDT_ERR_NOTFOUND; 23*b7e0d73bSSimon Glass } 24*b7e0d73bSSimon Glass entry->offset = reg[0]; 25*b7e0d73bSSimon Glass entry->length = reg[1]; 26*b7e0d73bSSimon Glass entry->used = ofnode_read_s32_default(node, "used", entry->length); 27*b7e0d73bSSimon Glass prop = ofnode_read_string(node, "compress"); 28*b7e0d73bSSimon Glass entry->compress_algo = prop && !strcmp(prop, "lzo") ? 29*b7e0d73bSSimon Glass FMAP_COMPRESS_LZO : FMAP_COMPRESS_NONE; 30*b7e0d73bSSimon Glass prop = ofnode_read_string(node, "hash"); 31*b7e0d73bSSimon Glass if (prop) 32*b7e0d73bSSimon Glass entry->hash_size = strlen(prop); 33*b7e0d73bSSimon Glass entry->hash_algo = prop ? FMAP_HASH_SHA256 : FMAP_HASH_NONE; 34*b7e0d73bSSimon Glass entry->hash = (uint8_t *)prop; 35*b7e0d73bSSimon Glass 36*b7e0d73bSSimon Glass return 0; 37*b7e0d73bSSimon Glass } 38