Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef FDT_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define FDT_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * libfdt - Flat Device Tree manipulation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * Copyright (C) 2006 David Gibson, IBM Corporation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  * Copyright 2012 Kim Phillips, Freescale Semiconductor.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #ifndef __ASSEMBLY__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) struct fdt_header {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	fdt32_t magic;			 /* magic word FDT_MAGIC */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	fdt32_t totalsize;		 /* total size of DT block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	fdt32_t off_dt_struct;		 /* offset to structure */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	fdt32_t off_dt_strings;		 /* offset to strings */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	fdt32_t off_mem_rsvmap;		 /* offset to memory reserve map */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	fdt32_t version;		 /* format version */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	fdt32_t last_comp_version;	 /* last compatible version */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	/* version 2 fields below */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	fdt32_t boot_cpuid_phys;	 /* Which physical CPU id we're
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 					    booting on */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	/* version 3 fields below */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	fdt32_t size_dt_strings;	 /* size of the strings block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	/* version 17 fields below */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	fdt32_t size_dt_struct;		 /* size of the structure block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) struct fdt_reserve_entry {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	fdt64_t address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	fdt64_t size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) struct fdt_node_header {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	fdt32_t tag;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	char name[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) struct fdt_property {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	fdt32_t tag;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	fdt32_t len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	fdt32_t nameoff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	char data[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #endif /* !__ASSEMBLY */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #define FDT_MAGIC	0xd00dfeed	/* 4: version, 4: total size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #define FDT_TAGSIZE	sizeof(fdt32_t)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #define FDT_BEGIN_NODE	0x1		/* Start node: full name */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #define FDT_END_NODE	0x2		/* End node */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #define FDT_PROP	0x3		/* Property: name off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 					   size, content */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #define FDT_NOP		0x4		/* nop */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) #define FDT_END		0x9
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #define FDT_V1_SIZE	(7*sizeof(fdt32_t))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #define FDT_V2_SIZE	(FDT_V1_SIZE + sizeof(fdt32_t))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) #define FDT_V3_SIZE	(FDT_V2_SIZE + sizeof(fdt32_t))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) #define FDT_V16_SIZE	FDT_V3_SIZE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #define FDT_V17_SIZE	(FDT_V16_SIZE + sizeof(fdt32_t))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #endif /* FDT_H */