/*
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* Copyright (c) 2017 Google, Inc
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* Written by Simon Glass <sjg@chromium.org>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <linux/libfdt.h>
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#include <dm/of_access.h>
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#include <dm/of_extra.h>
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#include <dm/ofnode.h>
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int of_read_fmap_entry(ofnode node, const char *name,
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struct fmap_entry *entry)
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{
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const char *prop;
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u32 reg[2];
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if (ofnode_read_u32_array(node, "reg", reg, 2)) {
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debug("Node '%s' has bad/missing 'reg' property\n", name);
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return -FDT_ERR_NOTFOUND;
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}
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entry->offset = reg[0];
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entry->length = reg[1];
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entry->used = ofnode_read_s32_default(node, "used", entry->length);
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prop = ofnode_read_string(node, "compress");
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entry->compress_algo = prop && !strcmp(prop, "lzo") ?
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FMAP_COMPRESS_LZO : FMAP_COMPRESS_NONE;
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prop = ofnode_read_string(node, "hash");
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if (prop)
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entry->hash_size = strlen(prop);
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entry->hash_algo = prop ? FMAP_HASH_SHA256 : FMAP_HASH_NONE;
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entry->hash = (uint8_t *)prop;
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return 0;
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}
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