42 lines
749 B
C
42 lines
749 B
C
/*
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* Copyright (c) 2006-2023, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "dtb_node.h"
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static void *dtb_root = NULL;
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static struct dtb_node *dtb_node_list = NULL;
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void *get_fdt_blob(void)
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{
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return dtb_root;
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}
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struct dtb_node *get_dtb_node_head(void)
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{
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return dtb_node_list;
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}
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rt_bool_t dtb_node_active(void)
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{
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return dtb_node_list != NULL;
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}
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int device_tree_setup(void *mem_addr)
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{
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if(mem_addr)
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{
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if ((dtb_root = dtb_node_load_from_memory(mem_addr,1)) != NULL)
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{
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dtb_node_list = dtb_node_get_dtb_list(dtb_root);
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if (dtb_node_list != NULL)
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{
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return -1;
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}
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}
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return 0;
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}
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return -1;
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}
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