mirror of
				https://github.com/riscv-software-src/opensbi
				synced 2025-11-04 05:50:22 +00:00 
			
		
		
		
	Sync with libfdt v1.6.1 release source codes. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Anup Patel <anup.patel@wdc.com>
		
			
				
	
	
		
			67 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			67 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause) */
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#ifndef FDT_H
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#define FDT_H
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/*
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 * libfdt - Flat Device Tree manipulation
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 * Copyright (C) 2006 David Gibson, IBM Corporation.
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 * Copyright 2012 Kim Phillips, Freescale Semiconductor.
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 */
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#ifndef __ASSEMBLY__
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struct fdt_header {
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	fdt32_t magic;			 /* magic word FDT_MAGIC */
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	fdt32_t totalsize;		 /* total size of DT block */
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	fdt32_t off_dt_struct;		 /* offset to structure */
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	fdt32_t off_dt_strings;		 /* offset to strings */
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	fdt32_t off_mem_rsvmap;		 /* offset to memory reserve map */
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	fdt32_t version;		 /* format version */
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	fdt32_t last_comp_version;	 /* last compatible version */
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	/* version 2 fields below */
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	fdt32_t boot_cpuid_phys;	 /* Which physical CPU id we're
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					    booting on */
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	/* version 3 fields below */
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	fdt32_t size_dt_strings;	 /* size of the strings block */
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	/* version 17 fields below */
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	fdt32_t size_dt_struct;		 /* size of the structure block */
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};
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struct fdt_reserve_entry {
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	fdt64_t address;
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	fdt64_t size;
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};
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struct fdt_node_header {
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	fdt32_t tag;
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	char name[0];
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};
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struct fdt_property {
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	fdt32_t tag;
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	fdt32_t len;
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	fdt32_t nameoff;
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	char data[0];
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};
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#endif /* !__ASSEMBLY */
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#define FDT_MAGIC	0xd00dfeed	/* 4: version, 4: total size */
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#define FDT_TAGSIZE	sizeof(fdt32_t)
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#define FDT_BEGIN_NODE	0x1		/* Start node: full name */
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#define FDT_END_NODE	0x2		/* End node */
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#define FDT_PROP	0x3		/* Property: name off,
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					   size, content */
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#define FDT_NOP		0x4		/* nop */
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#define FDT_END		0x9
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#define FDT_V1_SIZE	(7*sizeof(fdt32_t))
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#define FDT_V2_SIZE	(FDT_V1_SIZE + sizeof(fdt32_t))
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#define FDT_V3_SIZE	(FDT_V2_SIZE + sizeof(fdt32_t))
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#define FDT_V16_SIZE	FDT_V3_SIZE
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#define FDT_V17_SIZE	(FDT_V16_SIZE + sizeof(fdt32_t))
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#endif /* FDT_H */
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