[J-u-boot.git] / include / fdt.h

#ifndef _FDT_H
#define _FDT_H
/*
 * libfdt - Flat Device Tree manipulation
 * Copyright (C) 2006 David Gibson, IBM Corporation.
 * Copyright 2012 Kim Phillips, Freescale Semiconductor.
 *
 * libfdt is dual licensed: you can use it either under the terms of
 * the GPL, or the BSD license, at your option.
 *
 *  a) This library is free software; you can redistribute it and/or
 *     modify it under the terms of the GNU General Public License as
 *     published by the Free Software Foundation; either version 2 of the
 *     License, or (at your option) any later version.
 *
 *     This library is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public
 *     License along with this library; if not, write to the Free
 *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
 *     MA 02110-1301 USA
 *
 * Alternatively,
 *
 *  b) Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *     1. Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *     2. Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
 *     CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 *     INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 *     MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 *     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 *     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 *     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 *     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 *     OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 *     EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef __ASSEMBLY__

struct fdt_header {
	fdt32_t magic;			 /* magic word FDT_MAGIC */
	fdt32_t totalsize;		 /* total size of DT block */
	fdt32_t off_dt_struct;		 /* offset to structure */
	fdt32_t off_dt_strings;		 /* offset to strings */
	fdt32_t off_mem_rsvmap;		 /* offset to memory reserve map */
	fdt32_t version;		 /* format version */
	fdt32_t last_comp_version;	 /* last compatible version */

	/* version 2 fields below */
	fdt32_t boot_cpuid_phys;	 /* Which physical CPU id we're
					    booting on */
	/* version 3 fields below */
	fdt32_t size_dt_strings;	 /* size of the strings block */

	/* version 17 fields below */
	fdt32_t size_dt_struct;		 /* size of the structure block */
};

struct fdt_reserve_entry {
	fdt64_t address;
	fdt64_t size;
};

struct fdt_node_header {
	fdt32_t tag;
	char name[0];
};

struct fdt_property {
	fdt32_t tag;
	fdt32_t len;
	fdt32_t nameoff;
	char data[0];
};

#endif /* !__ASSEMBLY */

#define FDT_MAGIC	0xd00dfeed	/* 4: version, 4: total size */
#define FDT_TAGSIZE	sizeof(fdt32_t)

#define FDT_BEGIN_NODE	0x1		/* Start node: full name */
#define FDT_END_NODE	0x2		/* End node */
#define FDT_PROP	0x3		/* Property: name off,
					   size, content */
#define FDT_NOP		0x4		/* nop */
#define FDT_END		0x9

#define FDT_V1_SIZE	(7*sizeof(fdt32_t))
#define FDT_V2_SIZE	(FDT_V1_SIZE + sizeof(fdt32_t))
#define FDT_V3_SIZE	(FDT_V2_SIZE + sizeof(fdt32_t))
#define FDT_V16_SIZE	FDT_V3_SIZE
#define FDT_V17_SIZE	(FDT_V16_SIZE + sizeof(fdt32_t))

#endif /* _FDT_H */
Commit	Line	Data
7cd5da0f GVB	1	#ifndef _FDT_H
7cd5da0f GVB	2	#define _FDT_H
1258f14f JS	3	/*
	4	* libfdt - Flat Device Tree manipulation
	5	* Copyright (C) 2006 David Gibson, IBM Corporation.
	6	* Copyright 2012 Kim Phillips, Freescale Semiconductor.
	7	*
	8	* libfdt is dual licensed: you can use it either under the terms of
	9	* the GPL, or the BSD license, at your option.
	10	*
	11	* a) This library is free software; you can redistribute it and/or
	12	* modify it under the terms of the GNU General Public License as
	13	* published by the Free Software Foundation; either version 2 of the
	14	* License, or (at your option) any later version.
	15	*
	16	* This library is distributed in the hope that it will be useful,
	17	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	18	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	19	* GNU General Public License for more details.
	20	*
	21	* You should have received a copy of the GNU General Public
	22	* License along with this library; if not, write to the Free
	23	* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
	24	* MA 02110-1301 USA
	25	*
	26	* Alternatively,
	27	*
	28	* b) Redistribution and use in source and binary forms, with or
	29	* without modification, are permitted provided that the following
	30	* conditions are met:
	31	*
	32	* 1. Redistributions of source code must retain the above
	33	* copyright notice, this list of conditions and the following
	34	* disclaimer.
	35	* 2. Redistributions in binary form must reproduce the above
	36	* copyright notice, this list of conditions and the following
	37	* disclaimer in the documentation and/or other materials
	38	* provided with the distribution.
	39	*
	40	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
	41	* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
	42	* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
	43	* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
	44	* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
	45	* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	46	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	47	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
	48	* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	49	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	50	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
	51	* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
	52	* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	53	*/
7cd5da0f GVB	54
	55	#ifndef __ASSEMBLY__
	56
	57	struct fdt_header {
71bbb3df KP	58	fdt32_t magic; /* magic word FDT_MAGIC */
	59	fdt32_t totalsize; /* total size of DT block */
	60	fdt32_t off_dt_struct; /* offset to structure */
	61	fdt32_t off_dt_strings; /* offset to strings */
	62	fdt32_t off_mem_rsvmap; /* offset to memory reserve map */
	63	fdt32_t version; /* format version */
	64	fdt32_t last_comp_version; /* last compatible version */
a5f601fd WD	65
a5f601fd WD	66	/* version 2 fields below */
71bbb3df	67	fdt32_t boot_cpuid_phys; /* Which physical CPU id we're
7cd5da0f GVB	68	booting on */
7cd5da0f GVB	69	/* version 3 fields below */
71bbb3df	70	fdt32_t size_dt_strings; /* size of the strings block */
7cd5da0f GVB	71
7cd5da0f GVB	72	/* version 17 fields below */
71bbb3df	73	fdt32_t size_dt_struct; /* size of the structure block */
7cd5da0f GVB	74	};
	75
	76	struct fdt_reserve_entry {
71bbb3df KP	77	fdt64_t address;
71bbb3df KP	78	fdt64_t size;
7cd5da0f GVB	79	};
	80
	81	struct fdt_node_header {
71bbb3df	82	fdt32_t tag;
7cd5da0f GVB	83	char name[0];
	84	};
	85
	86	struct fdt_property {
71bbb3df KP	87	fdt32_t tag;
	88	fdt32_t len;
	89	fdt32_t nameoff;
7cd5da0f GVB	90	char data[0];
	91	};
	92
	93	#endif /* !__ASSEMBLY */
	94
a5f601fd	95	#define FDT_MAGIC 0xd00dfeed /* 4: version, 4: total size */
71bbb3df	96	#define FDT_TAGSIZE sizeof(fdt32_t)
7cd5da0f	97
a5f601fd WD	98	#define FDT_BEGIN_NODE 0x1 /* Start node: full name */
	99	#define FDT_END_NODE 0x2 /* End node */
	100	#define FDT_PROP 0x3 /* Property: name off,
7cd5da0f GVB	101	size, content */
	102	#define FDT_NOP 0x4 /* nop */
	103	#define FDT_END 0x9
	104
71bbb3df KP	105	#define FDT_V1_SIZE (7*sizeof(fdt32_t))
	106	#define FDT_V2_SIZE (FDT_V1_SIZE + sizeof(fdt32_t))
	107	#define FDT_V3_SIZE (FDT_V2_SIZE + sizeof(fdt32_t))
7cd5da0f	108	#define FDT_V16_SIZE FDT_V3_SIZE
71bbb3df	109	#define FDT_V17_SIZE (FDT_V16_SIZE + sizeof(fdt32_t))
7cd5da0f GVB	110
7cd5da0f GVB	111	#endif /* _FDT_H */