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/*
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/*
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 * Copyright (c) 2006 Jakub Jermar
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 * Copyright (c) 2006 Jakub Jermar
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 * All rights reserved.
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 * All rights reserved.
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 *
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * are met:
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 *
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 *
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 * - Redistributions of source code must retain the above copyright
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *   derived from this software without specific prior written permission.
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 *
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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 */
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#ifndef KERN_OFW_TREE_H_
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#ifndef KERN_OFW_TREE_H_
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#define KERN_OFW_TREE_H_
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#define KERN_OFW_TREE_H_
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#include <arch/types.h>
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#include <arch/types.h>
-
 
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#include <ddi/irq.h>
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#include <typedefs.h>
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#include <typedefs.h>
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#define OFW_TREE_PROPERTY_MAX_NAMELEN   32
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#define OFW_TREE_PROPERTY_MAX_NAMELEN   32
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37
 
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typedef struct ofw_tree_node ofw_tree_node_t;
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typedef struct ofw_tree_node ofw_tree_node_t;
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typedef struct ofw_tree_property ofw_tree_property_t;
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typedef struct ofw_tree_property ofw_tree_property_t;
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40
 
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/** Memory representation of OpenFirmware device tree node. */
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/** Memory representation of OpenFirmware device tree node. */
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struct ofw_tree_node {
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struct ofw_tree_node {
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    ofw_tree_node_t *parent;
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    ofw_tree_node_t *parent;
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    ofw_tree_node_t *peer;
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    ofw_tree_node_t *peer;
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    ofw_tree_node_t *child;
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    ofw_tree_node_t *child;
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    uint32_t node_handle;           /**< Old OpenFirmware node handle. */
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    uint32_t node_handle;       /**< Old OpenFirmware node handle. */
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    char *da_name;              /**< Disambigued name. */
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    char *da_name;          /**< Disambigued name. */
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    unsigned properties;            /**< Number of properties. */
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    unsigned properties;        /**< Number of properties. */
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    ofw_tree_property_t *property;
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    ofw_tree_property_t *property;
52
   
53
   
53
    /**
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    /**
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     * Pointer to a structure representing respective device.
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     * Pointer to a structure representing respective device.
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     * Its semantics is device dependent.
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     * Its semantics is device dependent.
56
     */
57
     */
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    void *device;
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    void *device;
58
};
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};
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/** Memory representation of OpenFirmware device tree node property. */
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/** Memory representation of OpenFirmware device tree node property. */
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struct ofw_tree_property {
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struct ofw_tree_property {
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    char name[OFW_TREE_PROPERTY_MAX_NAMELEN];
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    char name[OFW_TREE_PROPERTY_MAX_NAMELEN];
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    size_t size;
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    size_t size;
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    void *value;
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    void *value;
65
};
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};
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67
 
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/*
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/*
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 * Definition of 'reg' and 'ranges' properties for various buses.
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 * Definition of 'reg' and 'ranges' properties for various buses.
69
 */
70
 */
70
 
71
 
71
struct ofw_fhc_reg {
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struct ofw_fhc_reg {
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    uint64_t addr;
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    uint64_t addr;
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    uint32_t size;
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    uint32_t size;
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} __attribute__ ((packed));
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} __attribute__ ((packed));
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typedef struct ofw_fhc_reg ofw_fhc_reg_t;
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typedef struct ofw_fhc_reg ofw_fhc_reg_t;
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77
           
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struct ofw_fhc_range {
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struct ofw_fhc_range {
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    uint64_t child_base;
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    uint64_t child_base;
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    uint64_t parent_base;
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    uint64_t parent_base;
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    uint32_t size;
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    uint32_t size;
81
} __attribute__ ((packed));
82
} __attribute__ ((packed));
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typedef struct ofw_fhc_range ofw_fhc_range_t;
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typedef struct ofw_fhc_range ofw_fhc_range_t;
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84
 
84
struct ofw_central_reg {
85
struct ofw_central_reg {
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    uint64_t addr;
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    uint64_t addr;
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    uint32_t size;
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    uint32_t size;
87
} __attribute__ ((packed));
88
} __attribute__ ((packed));
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typedef struct ofw_central_reg ofw_central_reg_t;
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typedef struct ofw_central_reg ofw_central_reg_t;
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90
 
90
struct ofw_central_range {
91
struct ofw_central_range {
91
    uint64_t child_base;
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    uint64_t child_base;
92
    uint64_t parent_base;
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    uint64_t parent_base;
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    uint32_t size;
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    uint32_t size;
94
} __attribute__ ((packed));
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} __attribute__ ((packed));
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typedef struct ofw_central_range ofw_central_range_t;
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typedef struct ofw_central_range ofw_central_range_t;
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struct ofw_ebus_reg {
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struct ofw_ebus_reg {
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    uint32_t space;
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    uint32_t space;
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    uint32_t addr;
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    uint32_t addr;
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    uint32_t size;
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    uint32_t size;
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} __attribute__ ((packed));
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} __attribute__ ((packed));
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typedef struct ofw_ebus_reg ofw_ebus_reg_t;
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typedef struct ofw_ebus_reg ofw_ebus_reg_t;
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104
 
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struct ofw_ebus_range {
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struct ofw_ebus_range {
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    uint32_t child_space;
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    uint32_t child_space;
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    uint32_t child_base;
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    uint32_t child_base;
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    uint32_t parent_space;
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    uint32_t parent_space;
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    uint64_t parent_base;       /* group phys.mid and phys.lo together */
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    uint64_t parent_base;   /* group phys.mid and phys.lo together */
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    uint32_t size;
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    uint32_t size;
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} __attribute__ ((packed));
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} __attribute__ ((packed));
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typedef struct ofw_ebus_range ofw_ebus_range_t;
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typedef struct ofw_ebus_range ofw_ebus_range_t;
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113
 
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struct ofw_ebus_intr_map {
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struct ofw_ebus_intr_map {
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    uint32_t space;
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    uint32_t space;
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    uint32_t addr;
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    uint32_t addr;
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    uint32_t intr;
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    uint32_t intr;
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    uint32_t controller_handle;
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    uint32_t controller_handle;
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    uint32_t controller_ino;
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    uint32_t controller_ino;
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} __attribute__ ((packed));
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} __attribute__ ((packed));
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typedef struct ofw_ebus_intr_map ofw_ebus_intr_map_t;
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typedef struct ofw_ebus_intr_map ofw_ebus_intr_map_t;
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struct ofw_ebus_intr_mask {
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struct ofw_ebus_intr_mask {
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    uint32_t space_mask;
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    uint32_t space_mask;
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    uint32_t addr_mask;
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    uint32_t addr_mask;
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    uint32_t intr_mask;
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    uint32_t intr_mask;
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} __attribute__ ((packed));
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} __attribute__ ((packed));
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typedef struct ofw_ebus_intr_mask ofw_ebus_intr_mask_t;
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typedef struct ofw_ebus_intr_mask ofw_ebus_intr_mask_t;
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129
 
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struct ofw_pci_reg {
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struct ofw_pci_reg {
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    uint32_t space;         /* needs to be masked to obtain pure space id */
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    uint32_t space;     /* needs to be masked to obtain pure space id */
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    uint64_t addr;          /* group phys.mid and phys.lo together */
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    uint64_t addr;      /* group phys.mid and phys.lo together */
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    uint64_t size;
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    uint64_t size;
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} __attribute__ ((packed));
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} __attribute__ ((packed));
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typedef struct ofw_pci_reg ofw_pci_reg_t;
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typedef struct ofw_pci_reg ofw_pci_reg_t;
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struct ofw_pci_range {
137
struct ofw_pci_range {
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    uint32_t space;
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    uint32_t space;
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    uint64_t child_base;        /* group phys.mid and phys.lo together */
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    uint64_t child_base;    /* group phys.mid and phys.lo together */
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    uint64_t parent_base;
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    uint64_t parent_base;
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    uint64_t size;
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    uint64_t size;
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} __attribute__ ((packed));
142
} __attribute__ ((packed));
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typedef struct ofw_pci_range ofw_pci_range_t;
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typedef struct ofw_pci_range ofw_pci_range_t;
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struct ofw_sbus_reg {
145
struct ofw_sbus_reg {
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    uint64_t addr;
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    uint64_t addr;
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    uint32_t size;
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    uint32_t size;
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} __attribute__ ((packed));
148
} __attribute__ ((packed));
148
typedef struct ofw_sbus_reg ofw_sbus_reg_t;
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typedef struct ofw_sbus_reg ofw_sbus_reg_t;
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150
 
150
struct ofw_sbus_range {
151
struct ofw_sbus_range {
151
    uint64_t child_base;
152
    uint64_t child_base;
152
    uint64_t parent_base;
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    uint64_t parent_base;
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    uint32_t size;
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    uint32_t size;
154
} __attribute__ ((packed));
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} __attribute__ ((packed));
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typedef struct ofw_sbus_range ofw_sbus_range_t;
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typedef struct ofw_sbus_range ofw_sbus_range_t;
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157
 
157
struct ofw_upa_reg {
158
struct ofw_upa_reg {
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    uint64_t addr;
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    uint64_t addr;
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    uint64_t size;
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    uint64_t size;
160
} __attribute__ ((packed));
161
} __attribute__ ((packed));
161
typedef struct ofw_upa_reg ofw_upa_reg_t;
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typedef struct ofw_upa_reg ofw_upa_reg_t;
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163
 
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extern void ofw_tree_init(ofw_tree_node_t *root);
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extern void ofw_tree_init(ofw_tree_node_t *);
164
extern void ofw_tree_print(void);
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extern void ofw_tree_print(void);
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extern const char *ofw_tree_node_name(const ofw_tree_node_t *node);
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extern const char *ofw_tree_node_name(const ofw_tree_node_t *);
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extern ofw_tree_node_t *ofw_tree_lookup(const char *path);
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extern ofw_tree_node_t *ofw_tree_lookup(const char *);
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extern ofw_tree_property_t *ofw_tree_getprop(const ofw_tree_node_t *node, const char *name);
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extern ofw_tree_property_t *ofw_tree_getprop(const ofw_tree_node_t *,
-
 
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    const char *);
168
extern ofw_tree_node_t *ofw_tree_find_child(ofw_tree_node_t *node, const char *name);
170
extern ofw_tree_node_t *ofw_tree_find_child(ofw_tree_node_t *, const char *);
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extern ofw_tree_node_t *ofw_tree_find_child_by_device_type(ofw_tree_node_t *node, const char *device_type);
171
extern ofw_tree_node_t *ofw_tree_find_child_by_device_type(ofw_tree_node_t *,
-
 
172
    const char *);
170
extern ofw_tree_node_t *ofw_tree_find_peer_by_device_type(ofw_tree_node_t *node, const char *device_type);
173
extern ofw_tree_node_t *ofw_tree_find_peer_by_device_type(ofw_tree_node_t *,
-
 
174
    const char *);
-
 
175
extern ofw_tree_node_t *ofw_tree_find_peer_by_name(ofw_tree_node_t *node,
-
 
176
    const char *name);
171
extern ofw_tree_node_t *ofw_tree_find_node_by_handle(ofw_tree_node_t *root, uint32_t handle);
177
extern ofw_tree_node_t *ofw_tree_find_node_by_handle(ofw_tree_node_t *,
-
 
178
    uint32_t);
172
 
179
 
173
extern bool ofw_fhc_apply_ranges(ofw_tree_node_t *node, ofw_fhc_reg_t *reg, uintptr_t *pa);
180
extern bool ofw_fhc_apply_ranges(ofw_tree_node_t *, ofw_fhc_reg_t *,
-
 
181
    uintptr_t *);
174
extern bool ofw_central_apply_ranges(ofw_tree_node_t *node, ofw_central_reg_t *reg, uintptr_t *pa);
182
extern bool ofw_central_apply_ranges(ofw_tree_node_t *, ofw_central_reg_t *,
-
 
183
    uintptr_t *);
175
extern bool ofw_ebus_apply_ranges(ofw_tree_node_t *node, ofw_ebus_reg_t *reg, uintptr_t *pa);
184
extern bool ofw_ebus_apply_ranges(ofw_tree_node_t *, ofw_ebus_reg_t *,
-
 
185
    uintptr_t *);
176
extern bool ofw_pci_apply_ranges(ofw_tree_node_t *node, ofw_pci_reg_t *reg, uintptr_t *pa);
186
extern bool ofw_pci_apply_ranges(ofw_tree_node_t *, ofw_pci_reg_t *,
-
 
187
    uintptr_t *);
177
extern bool ofw_sbus_apply_ranges(ofw_tree_node_t *node, ofw_sbus_reg_t *reg, uintptr_t *pa);
188
extern bool ofw_sbus_apply_ranges(ofw_tree_node_t *, ofw_sbus_reg_t *,
-
 
189
    uintptr_t *);
178
extern bool ofw_upa_apply_ranges(ofw_tree_node_t *node, ofw_upa_reg_t *reg, uintptr_t *pa);
190
extern bool ofw_upa_apply_ranges(ofw_tree_node_t *, ofw_upa_reg_t *,
-
 
191
    uintptr_t *);
179
 
192
 
180
extern bool ofw_pci_reg_absolutize(ofw_tree_node_t *node, ofw_pci_reg_t *reg, ofw_pci_reg_t *out);
193
extern bool ofw_pci_reg_absolutize(ofw_tree_node_t *, ofw_pci_reg_t *,
-
 
194
    ofw_pci_reg_t *);
181
 
195
 
182
extern bool ofw_fhc_map_interrupt(ofw_tree_node_t *node, ofw_fhc_reg_t *reg, uint32_t interrupt, int *inr);
196
extern bool ofw_fhc_map_interrupt(ofw_tree_node_t *, ofw_fhc_reg_t *,
-
 
197
    uint32_t, int *, cir_t *, void **);
183
extern bool ofw_ebus_map_interrupt(ofw_tree_node_t *node, ofw_ebus_reg_t *reg, uint32_t interrupt, int *inr);
198
extern bool ofw_ebus_map_interrupt(ofw_tree_node_t *, ofw_ebus_reg_t *,
-
 
199
    uint32_t, int *, cir_t *, void **);
184
extern bool ofw_pci_map_interrupt(ofw_tree_node_t *node, ofw_pci_reg_t *reg, int ino, int *inr);
200
extern bool ofw_pci_map_interrupt(ofw_tree_node_t *, ofw_pci_reg_t *,
-
 
201
    int, int *, cir_t *, void **);
185
 
202
 
186
#endif
203
#endif
187
 
204