WebSVN – HelenOS – Blame – //branches/arm/kernel/genarch/include/ofw/ofw_tree.h

Rev	Author	Line No.	Line
1893	jermar	1	/*
2071	jermar	2	* Copyright (c) 2006 Jakub Jermar
1893	jermar	3	* All rights reserved.
		4	*
		5	* Redistribution and use in source and binary forms, with or without
		6	* modification, are permitted provided that the following conditions
		7	* are met:
		8	*
		9	* - Redistributions of source code must retain the above copyright
		10	* notice, this list of conditions and the following disclaimer.
		11	* - Redistributions in binary form must reproduce the above copyright
		12	* notice, this list of conditions and the following disclaimer in the
		13	* documentation and/or other materials provided with the distribution.
		14	* - The name of the author may not be used to endorse or promote products
		15	* derived from this software without specific prior written permission.
		16	*
		17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
		18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
		19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
		20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
		21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
		22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
		23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
		24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
		25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
		26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
		27	*/
		28
1894	jermar	29	#ifndef KERN_OFW_TREE_H_
		30	#define KERN_OFW_TREE_H_
1893	jermar	31
1894	jermar	32	#include <arch/types.h>
3655	jermar	33	#include <ddi/irq.h>
3071	decky	34	#include <typedefs.h>
1893	jermar	35
		36	#define OFW_TREE_PROPERTY_MAX_NAMELEN 32
		37
		38	typedef struct ofw_tree_node ofw_tree_node_t;
		39	typedef struct ofw_tree_property ofw_tree_property_t;
		40
1894	jermar	41	/** Memory representation of OpenFirmware device tree node. */
1893	jermar	42	struct ofw_tree_node {
		43	ofw_tree_node_t *parent;
		44	ofw_tree_node_t *peer;
		45	ofw_tree_node_t *child;
		46
3655	jermar	47	uint32_t node_handle; /*< Old OpenFirmware node handle. /
1895	jermar	48
3655	jermar	49	char da_name; /< Disambigued name. /
1907	jermar	50
3655	jermar	51	unsigned properties; /*< Number of properties. /
1893	jermar	52	ofw_tree_property_t *property;
1909	jermar	53
		54	/**
		55	* Pointer to a structure representing respective device.
		56	* Its semantics is device dependent.
		57	*/
		58	void *device;
1893	jermar	59	};
		60
1894	jermar	61	/** Memory representation of OpenFirmware device tree node property. */
1893	jermar	62	struct ofw_tree_property {
		63	char name[OFW_TREE_PROPERTY_MAX_NAMELEN];
		64	size_t size;
		65	void *value;
		66	};
		67
1896	jermar	68	/*
		69	* Definition of 'reg' and 'ranges' properties for various buses.
		70	*/
		71
		72	struct ofw_fhc_reg {
		73	uint64_t addr;
		74	uint32_t size;
		75	} __attribute__ ((packed));
		76	typedef struct ofw_fhc_reg ofw_fhc_reg_t;
		77
		78	struct ofw_fhc_range {
		79	uint64_t child_base;
		80	uint64_t parent_base;
		81	uint32_t size;
		82	} __attribute__ ((packed));
		83	typedef struct ofw_fhc_range ofw_fhc_range_t;
		84
		85	struct ofw_central_reg {
		86	uint64_t addr;
		87	uint32_t size;
		88	} __attribute__ ((packed));
		89	typedef struct ofw_central_reg ofw_central_reg_t;
		90
		91	struct ofw_central_range {
		92	uint64_t child_base;
		93	uint64_t parent_base;
		94	uint32_t size;
		95	} __attribute__ ((packed));
		96	typedef struct ofw_central_range ofw_central_range_t;
		97
		98	struct ofw_ebus_reg {
		99	uint32_t space;
		100	uint32_t addr;
		101	uint32_t size;
		102	} __attribute__ ((packed));
		103	typedef struct ofw_ebus_reg ofw_ebus_reg_t;
		104
		105	struct ofw_ebus_range {
		106	uint32_t child_space;
		107	uint32_t child_base;
		108	uint32_t parent_space;
3655	jermar	109	uint64_t parent_base; /* group phys.mid and phys.lo together */
1896	jermar	110	uint32_t size;
		111	} __attribute__ ((packed));
		112	typedef struct ofw_ebus_range ofw_ebus_range_t;
		113
1909	jermar	114	struct ofw_ebus_intr_map {
		115	uint32_t space;
		116	uint32_t addr;
		117	uint32_t intr;
		118	uint32_t controller_handle;
1912	jermar	119	uint32_t controller_ino;
1909	jermar	120	} __attribute__ ((packed));
		121	typedef struct ofw_ebus_intr_map ofw_ebus_intr_map_t;
		122
		123	struct ofw_ebus_intr_mask {
		124	uint32_t space_mask;
		125	uint32_t addr_mask;
		126	uint32_t intr_mask;
		127	} __attribute__ ((packed));
		128	typedef struct ofw_ebus_intr_mask ofw_ebus_intr_mask_t;
		129
1896	jermar	130	struct ofw_pci_reg {
3655	jermar	131	uint32_t space; /* needs to be masked to obtain pure space id */
		132	uint64_t addr; /* group phys.mid and phys.lo together */
1896	jermar	133	uint64_t size;
		134	} __attribute__ ((packed));
		135	typedef struct ofw_pci_reg ofw_pci_reg_t;
		136
		137	struct ofw_pci_range {
		138	uint32_t space;
3655	jermar	139	uint64_t child_base; /* group phys.mid and phys.lo together */
1896	jermar	140	uint64_t parent_base;
		141	uint64_t size;
		142	} __attribute__ ((packed));
		143	typedef struct ofw_pci_range ofw_pci_range_t;
		144
2510	jermar	145	struct ofw_sbus_reg {
		146	uint64_t addr;
		147	uint32_t size;
		148	} __attribute__ ((packed));
		149	typedef struct ofw_sbus_reg ofw_sbus_reg_t;
		150
		151	struct ofw_sbus_range {
		152	uint64_t child_base;
		153	uint64_t parent_base;
		154	uint32_t size;
		155	} __attribute__ ((packed));
		156	typedef struct ofw_sbus_range ofw_sbus_range_t;
		157
1898	jermar	158	struct ofw_upa_reg {
		159	uint64_t addr;
		160	uint64_t size;
1896	jermar	161	} __attribute__ ((packed));
1898	jermar	162	typedef struct ofw_upa_reg ofw_upa_reg_t;
1896	jermar	163
3655	jermar	164	extern void ofw_tree_init(ofw_tree_node_t *);
1895	jermar	165	extern void ofw_tree_print(void);
3655	jermar	166	extern const char ofw_tree_node_name(const ofw_tree_node_t );
		167	extern ofw_tree_node_t ofw_tree_lookup(const char );
		168	extern ofw_tree_property_t ofw_tree_getprop(const ofw_tree_node_t ,
		169	const char *);
		170	extern ofw_tree_node_t ofw_tree_find_child(ofw_tree_node_t , const char *);
		171	extern ofw_tree_node_t ofw_tree_find_child_by_device_type(ofw_tree_node_t ,
		172	const char *);
		173	extern ofw_tree_node_t ofw_tree_find_peer_by_device_type(ofw_tree_node_t ,
		174	const char *);
3672	jermar	175	extern ofw_tree_node_t ofw_tree_find_peer_by_name(ofw_tree_node_t node,
		176	const char *name);
3655	jermar	177	extern ofw_tree_node_t ofw_tree_find_node_by_handle(ofw_tree_node_t ,
		178	uint32_t);
1895	jermar	179
3655	jermar	180	extern bool ofw_fhc_apply_ranges(ofw_tree_node_t , ofw_fhc_reg_t ,
		181	uintptr_t *);
		182	extern bool ofw_central_apply_ranges(ofw_tree_node_t , ofw_central_reg_t ,
		183	uintptr_t *);
		184	extern bool ofw_ebus_apply_ranges(ofw_tree_node_t , ofw_ebus_reg_t ,
		185	uintptr_t *);
		186	extern bool ofw_pci_apply_ranges(ofw_tree_node_t , ofw_pci_reg_t ,
		187	uintptr_t *);
		188	extern bool ofw_sbus_apply_ranges(ofw_tree_node_t , ofw_sbus_reg_t ,
		189	uintptr_t *);
		190	extern bool ofw_upa_apply_ranges(ofw_tree_node_t , ofw_upa_reg_t ,
		191	uintptr_t *);
1896	jermar	192
3655	jermar	193	extern bool ofw_pci_reg_absolutize(ofw_tree_node_t , ofw_pci_reg_t ,
		194	ofw_pci_reg_t *);
1897	jermar	195
3655	jermar	196	extern bool ofw_fhc_map_interrupt(ofw_tree_node_t , ofw_fhc_reg_t ,
		197	uint32_t, int , cir_t , void **);
		198	extern bool ofw_ebus_map_interrupt(ofw_tree_node_t , ofw_ebus_reg_t ,
		199	uint32_t, int , cir_t , void **);
		200	extern bool ofw_pci_map_interrupt(ofw_tree_node_t , ofw_pci_reg_t ,
		201	int, int , cir_t , void **);
1909	jermar	202
1893	jermar	203	#endif

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(root)//branches/arm/kernel/genarch/include/ofw/ofw_tree.h – Rev 4647