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| 1 | /* |
1 | /* |
| 2 | * Copyright (C) 2006 Jakub Jermar |
2 | * Copyright (C) 2006 Jakub Jermar |
| 3 | * All rights reserved. |
3 | * All rights reserved. |
| 4 | * |
4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
7 | * are met: |
| 8 | * |
8 | * |
| 9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
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 |
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. |
15 | * derived from this software without specific prior written permission. |
| 16 | * |
16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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 |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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 |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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 |
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. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | */ |
27 | */ |
| 28 | 28 | ||
| 29 | #ifndef KERN_OFW_TREE_H_ |
29 | #ifndef KERN_OFW_TREE_H_ |
| 30 | #define KERN_OFW_TREE_H_ |
30 | #define KERN_OFW_TREE_H_ |
| 31 | 31 | ||
| 32 | #include <arch/types.h> |
32 | #include <arch/types.h> |
| 33 | #include <typedefs.h> |
33 | #include <typedefs.h> |
| 34 | 34 | ||
| 35 | #define OFW_TREE_PROPERTY_MAX_NAMELEN 32 |
35 | #define OFW_TREE_PROPERTY_MAX_NAMELEN 32 |
| 36 | 36 | ||
| 37 | typedef struct ofw_tree_node ofw_tree_node_t; |
37 | typedef struct ofw_tree_node ofw_tree_node_t; |
| 38 | typedef struct ofw_tree_property ofw_tree_property_t; |
38 | typedef struct ofw_tree_property ofw_tree_property_t; |
| 39 | 39 | ||
| 40 | /** Memory representation of OpenFirmware device tree node. */ |
40 | /** Memory representation of OpenFirmware device tree node. */ |
| 41 | struct ofw_tree_node { |
41 | struct ofw_tree_node { |
| 42 | ofw_tree_node_t *parent; |
42 | ofw_tree_node_t *parent; |
| 43 | ofw_tree_node_t *peer; |
43 | ofw_tree_node_t *peer; |
| 44 | ofw_tree_node_t *child; |
44 | ofw_tree_node_t *child; |
| 45 | 45 | ||
| 46 | char *da_name; /**< Disambigued name. */ |
46 | char *da_name; /**< Disambigued name. */ |
| 47 | 47 | ||
| 48 | unsigned properties; /**< Number of properties. */ |
48 | unsigned properties; /**< Number of properties. */ |
| 49 | ofw_tree_property_t *property; |
49 | ofw_tree_property_t *property; |
| 50 | }; |
50 | }; |
| 51 | 51 | ||
| 52 | /** Memory representation of OpenFirmware device tree node property. */ |
52 | /** Memory representation of OpenFirmware device tree node property. */ |
| 53 | struct ofw_tree_property { |
53 | struct ofw_tree_property { |
| 54 | char name[OFW_TREE_PROPERTY_MAX_NAMELEN]; |
54 | char name[OFW_TREE_PROPERTY_MAX_NAMELEN]; |
| 55 | size_t size; |
55 | size_t size; |
| 56 | void *value; |
56 | void *value; |
| 57 | }; |
57 | }; |
| 58 | 58 | ||
| - | 59 | /* |
|
| - | 60 | * Definition of 'reg' and 'ranges' properties for various buses. |
|
| - | 61 | */ |
|
| - | 62 | ||
| - | 63 | struct ofw_fhc_reg { |
|
| - | 64 | uint64_t addr; |
|
| - | 65 | uint32_t size; |
|
| - | 66 | } __attribute__ ((packed)); |
|
| - | 67 | typedef struct ofw_fhc_reg ofw_fhc_reg_t; |
|
| - | 68 | ||
| - | 69 | struct ofw_fhc_range { |
|
| - | 70 | uint64_t child_base; |
|
| - | 71 | uint64_t parent_base; |
|
| - | 72 | uint32_t size; |
|
| - | 73 | } __attribute__ ((packed)); |
|
| - | 74 | typedef struct ofw_fhc_range ofw_fhc_range_t; |
|
| - | 75 | ||
| - | 76 | struct ofw_central_reg { |
|
| - | 77 | uint64_t addr; |
|
| - | 78 | uint32_t size; |
|
| - | 79 | } __attribute__ ((packed)); |
|
| - | 80 | typedef struct ofw_central_reg ofw_central_reg_t; |
|
| - | 81 | ||
| - | 82 | struct ofw_central_range { |
|
| - | 83 | uint64_t child_base; |
|
| - | 84 | uint64_t parent_base; |
|
| - | 85 | uint32_t size; |
|
| - | 86 | } __attribute__ ((packed)); |
|
| - | 87 | typedef struct ofw_central_range ofw_central_range_t; |
|
| - | 88 | ||
| - | 89 | struct ofw_ebus_reg { |
|
| - | 90 | uint32_t space; |
|
| - | 91 | uint32_t addr; |
|
| - | 92 | uint32_t size; |
|
| - | 93 | } __attribute__ ((packed)); |
|
| - | 94 | typedef struct ofw_ebus_reg ofw_ebus_reg_t; |
|
| - | 95 | ||
| - | 96 | struct ofw_ebus_range { |
|
| - | 97 | uint32_t child_space; |
|
| - | 98 | uint32_t child_base; |
|
| - | 99 | uint32_t parent_space; |
|
| - | 100 | uint64_t parent_base; /* group phys.mid and phys.lo together */ |
|
| - | 101 | uint32_t size; |
|
| - | 102 | } __attribute__ ((packed)); |
|
| - | 103 | typedef struct ofw_ebus_range ofw_ebus_range_t; |
|
| - | 104 | ||
| - | 105 | struct ofw_pci_reg { |
|
| - | 106 | uint32_t space; /* needs to masked to obtain pure space id */ |
|
| - | 107 | uint64_t addr; /* group phys.mid and phys.lo together */ |
|
| - | 108 | uint64_t size; |
|
| - | 109 | } __attribute__ ((packed)); |
|
| - | 110 | typedef struct ofw_pci_reg ofw_pci_reg_t; |
|
| - | 111 | ||
| - | 112 | struct ofw_pci_range { |
|
| - | 113 | uint32_t space; |
|
| - | 114 | uint64_t child_base; /* group phys.mid and phys.lo together */ |
|
| - | 115 | uint64_t parent_base; |
|
| - | 116 | uint64_t size; |
|
| - | 117 | } __attribute__ ((packed)); |
|
| - | 118 | typedef struct ofw_pci_range ofw_pci_range_t; |
|
| - | 119 | ||
| - | 120 | struct ofw_ffb_reg { |
|
| - | 121 | } __attribute__ ((packed)); |
|
| - | 122 | typedef struct ofw_ffb_reg ofw_ffb_reg_t; |
|
| - | 123 | ||
| 59 | extern void ofw_tree_init(ofw_tree_node_t *root); |
124 | extern void ofw_tree_init(ofw_tree_node_t *root); |
| 60 | extern void ofw_tree_print(void); |
125 | extern void ofw_tree_print(void); |
| 61 | extern const char *ofw_tree_node_name(const ofw_tree_node_t *node); |
126 | extern const char *ofw_tree_node_name(const ofw_tree_node_t *node); |
| 62 | extern ofw_tree_node_t *ofw_tree_lookup(const char *path); |
127 | extern ofw_tree_node_t *ofw_tree_lookup(const char *path); |
| - | 128 | extern ofw_tree_property_t *ofw_tree_getprop(const ofw_tree_node_t *node, const char *name); |
|
| - | 129 | ||
| - | 130 | extern bool ofw_fhc_apply_ranges(ofw_tree_node_t *node, ofw_fhc_reg_t *reg, uintptr_t *pa); |
|
| - | 131 | extern bool ofw_central_apply_ranges(ofw_tree_node_t *node, ofw_central_reg_t *reg, uintptr_t *pa); |
|
| - | 132 | extern bool ofw_ebus_apply_ranges(ofw_tree_node_t *node, ofw_ebus_reg_t *reg, uintptr_t *pa); |
|
| - | 133 | extern bool ofw_pci_apply_ranges(ofw_tree_node_t *node, ofw_pci_reg_t *reg, uintptr_t *pa); |
|
| - | 134 | extern bool ofw_ffb_apply_ranges(ofw_tree_node_t *node, ofw_ffb_reg_t *reg, uintptr_t *pa); |
|
| 63 | 135 | ||
| 64 | #endif |
136 | #endif |
| 65 | 137 | ||