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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 <ddi/irq.h> |
|
| - | 34 | #include <typedefs.h> |
|
| 33 | 35 | ||
| 34 | #define OFW_TREE_PROPERTY_MAX_NAMELEN 32 |
36 | #define OFW_TREE_PROPERTY_MAX_NAMELEN 32 |
| 35 | 37 | ||
| 36 | typedef struct ofw_tree_node ofw_tree_node_t; |
38 | typedef struct ofw_tree_node ofw_tree_node_t; |
| 37 | typedef struct ofw_tree_property ofw_tree_property_t; |
39 | typedef struct ofw_tree_property ofw_tree_property_t; |
| 38 | 40 | ||
| 39 | /** Memory representation of OpenFirmware device tree node. */ |
41 | /** Memory representation of OpenFirmware device tree node. */ |
| 40 | struct ofw_tree_node { |
42 | struct ofw_tree_node { |
| 41 | ofw_tree_node_t *parent; |
43 | ofw_tree_node_t *parent; |
| 42 | ofw_tree_node_t *peer; |
44 | ofw_tree_node_t *peer; |
| 43 | ofw_tree_node_t *child; |
45 | ofw_tree_node_t *child; |
| 44 | 46 | ||
| 45 | uint32_t node_handle; /**< Old OpenFirmware node handle. */ |
47 | uint32_t node_handle; /**< Old OpenFirmware node handle. */ |
| 46 | 48 | ||
| 47 | char *da_name; /**< Disambigued name. */ |
49 | char *da_name; /**< Disambigued name. */ |
| 48 | 50 | ||
| 49 | unsigned properties; /**< Number of properties. */ |
51 | unsigned properties; /**< Number of properties. */ |
| 50 | ofw_tree_property_t *property; |
52 | ofw_tree_property_t *property; |
| 51 | 53 | ||
| 52 | /** |
54 | /** |
| 53 | * Pointer to a structure representing respective device. |
55 | * Pointer to a structure representing respective device. |
| 54 | * Its semantics is device dependent. |
56 | * Its semantics is device dependent. |
| 55 | */ |
57 | */ |
| 56 | void *device; |
58 | void *device; |
| 57 | }; |
59 | }; |
| 58 | 60 | ||
| 59 | /** Memory representation of OpenFirmware device tree node property. */ |
61 | /** Memory representation of OpenFirmware device tree node property. */ |
| 60 | struct ofw_tree_property { |
62 | struct ofw_tree_property { |
| 61 | char name[OFW_TREE_PROPERTY_MAX_NAMELEN]; |
63 | char name[OFW_TREE_PROPERTY_MAX_NAMELEN]; |
| 62 | size_t size; |
64 | size_t size; |
| 63 | void *value; |
65 | void *value; |
| 64 | }; |
66 | }; |
| 65 | 67 | ||
| 66 | /* |
68 | /* |
| 67 | * Definition of 'reg' and 'ranges' properties for various buses. |
69 | * Definition of 'reg' and 'ranges' properties for various buses. |
| 68 | */ |
70 | */ |
| 69 | 71 | ||
| 70 | struct ofw_fhc_reg { |
72 | struct ofw_fhc_reg { |
| 71 | uint64_t addr; |
73 | uint64_t addr; |
| 72 | uint32_t size; |
74 | uint32_t size; |
| 73 | } __attribute__ ((packed)); |
75 | } __attribute__ ((packed)); |
| 74 | typedef struct ofw_fhc_reg ofw_fhc_reg_t; |
76 | typedef struct ofw_fhc_reg ofw_fhc_reg_t; |
| 75 | 77 | ||
| 76 | struct ofw_fhc_range { |
78 | struct ofw_fhc_range { |
| 77 | uint64_t child_base; |
79 | uint64_t child_base; |
| 78 | uint64_t parent_base; |
80 | uint64_t parent_base; |
| 79 | uint32_t size; |
81 | uint32_t size; |
| 80 | } __attribute__ ((packed)); |
82 | } __attribute__ ((packed)); |
| 81 | typedef struct ofw_fhc_range ofw_fhc_range_t; |
83 | typedef struct ofw_fhc_range ofw_fhc_range_t; |
| 82 | 84 | ||
| 83 | struct ofw_central_reg { |
85 | struct ofw_central_reg { |
| 84 | uint64_t addr; |
86 | uint64_t addr; |
| 85 | uint32_t size; |
87 | uint32_t size; |
| 86 | } __attribute__ ((packed)); |
88 | } __attribute__ ((packed)); |
| 87 | typedef struct ofw_central_reg ofw_central_reg_t; |
89 | typedef struct ofw_central_reg ofw_central_reg_t; |
| 88 | 90 | ||
| 89 | struct ofw_central_range { |
91 | struct ofw_central_range { |
| 90 | uint64_t child_base; |
92 | uint64_t child_base; |
| 91 | uint64_t parent_base; |
93 | uint64_t parent_base; |
| 92 | uint32_t size; |
94 | uint32_t size; |
| 93 | } __attribute__ ((packed)); |
95 | } __attribute__ ((packed)); |
| 94 | typedef struct ofw_central_range ofw_central_range_t; |
96 | typedef struct ofw_central_range ofw_central_range_t; |
| 95 | 97 | ||
| 96 | struct ofw_ebus_reg { |
98 | struct ofw_ebus_reg { |
| 97 | uint32_t space; |
99 | uint32_t space; |
| 98 | uint32_t addr; |
100 | uint32_t addr; |
| 99 | uint32_t size; |
101 | uint32_t size; |
| 100 | } __attribute__ ((packed)); |
102 | } __attribute__ ((packed)); |
| 101 | typedef struct ofw_ebus_reg ofw_ebus_reg_t; |
103 | typedef struct ofw_ebus_reg ofw_ebus_reg_t; |
| 102 | 104 | ||
| 103 | struct ofw_ebus_range { |
105 | struct ofw_ebus_range { |
| 104 | uint32_t child_space; |
106 | uint32_t child_space; |
| 105 | uint32_t child_base; |
107 | uint32_t child_base; |
| 106 | uint32_t parent_space; |
108 | uint32_t parent_space; |
| 107 | uint64_t parent_base; /* group phys.mid and phys.lo together */ |
109 | uint64_t parent_base; /* group phys.mid and phys.lo together */ |
| 108 | uint32_t size; |
110 | uint32_t size; |
| 109 | } __attribute__ ((packed)); |
111 | } __attribute__ ((packed)); |
| 110 | typedef struct ofw_ebus_range ofw_ebus_range_t; |
112 | typedef struct ofw_ebus_range ofw_ebus_range_t; |
| 111 | 113 | ||
| 112 | struct ofw_ebus_intr_map { |
114 | struct ofw_ebus_intr_map { |
| 113 | uint32_t space; |
115 | uint32_t space; |
| 114 | uint32_t addr; |
116 | uint32_t addr; |
| 115 | uint32_t intr; |
117 | uint32_t intr; |
| 116 | uint32_t controller_handle; |
118 | uint32_t controller_handle; |
| 117 | uint32_t controller_ino; |
119 | uint32_t controller_ino; |
| 118 | } __attribute__ ((packed)); |
120 | } __attribute__ ((packed)); |
| 119 | typedef struct ofw_ebus_intr_map ofw_ebus_intr_map_t; |
121 | typedef struct ofw_ebus_intr_map ofw_ebus_intr_map_t; |
| 120 | 122 | ||
| 121 | struct ofw_ebus_intr_mask { |
123 | struct ofw_ebus_intr_mask { |
| 122 | uint32_t space_mask; |
124 | uint32_t space_mask; |
| 123 | uint32_t addr_mask; |
125 | uint32_t addr_mask; |
| 124 | uint32_t intr_mask; |
126 | uint32_t intr_mask; |
| 125 | } __attribute__ ((packed)); |
127 | } __attribute__ ((packed)); |
| 126 | typedef struct ofw_ebus_intr_mask ofw_ebus_intr_mask_t; |
128 | typedef struct ofw_ebus_intr_mask ofw_ebus_intr_mask_t; |
| 127 | 129 | ||
| 128 | struct ofw_pci_reg { |
130 | struct ofw_pci_reg { |
| 129 | uint32_t space; /* needs to be masked to obtain pure space id */ |
131 | uint32_t space; /* needs to be masked to obtain pure space id */ |
| 130 | uint64_t addr; /* group phys.mid and phys.lo together */ |
132 | uint64_t addr; /* group phys.mid and phys.lo together */ |
| 131 | uint64_t size; |
133 | uint64_t size; |
| 132 | } __attribute__ ((packed)); |
134 | } __attribute__ ((packed)); |
| 133 | typedef struct ofw_pci_reg ofw_pci_reg_t; |
135 | typedef struct ofw_pci_reg ofw_pci_reg_t; |
| 134 | 136 | ||
| 135 | struct ofw_pci_range { |
137 | struct ofw_pci_range { |
| 136 | uint32_t space; |
138 | uint32_t space; |
| 137 | uint64_t child_base; /* group phys.mid and phys.lo together */ |
139 | uint64_t child_base; /* group phys.mid and phys.lo together */ |
| 138 | uint64_t parent_base; |
140 | uint64_t parent_base; |
| 139 | uint64_t size; |
141 | uint64_t size; |
| 140 | } __attribute__ ((packed)); |
142 | } __attribute__ ((packed)); |
| 141 | typedef struct ofw_pci_range ofw_pci_range_t; |
143 | typedef struct ofw_pci_range ofw_pci_range_t; |
| 142 | 144 | ||
| 143 | struct ofw_sbus_reg { |
145 | struct ofw_sbus_reg { |
| 144 | uint64_t addr; |
146 | uint64_t addr; |
| 145 | uint32_t size; |
147 | uint32_t size; |
| 146 | } __attribute__ ((packed)); |
148 | } __attribute__ ((packed)); |
| 147 | typedef struct ofw_sbus_reg ofw_sbus_reg_t; |
149 | typedef struct ofw_sbus_reg ofw_sbus_reg_t; |
| 148 | 150 | ||
| 149 | struct ofw_sbus_range { |
151 | struct ofw_sbus_range { |
| 150 | uint64_t child_base; |
152 | uint64_t child_base; |
| 151 | uint64_t parent_base; |
153 | uint64_t parent_base; |
| 152 | uint32_t size; |
154 | uint32_t size; |
| 153 | } __attribute__ ((packed)); |
155 | } __attribute__ ((packed)); |
| 154 | typedef struct ofw_sbus_range ofw_sbus_range_t; |
156 | typedef struct ofw_sbus_range ofw_sbus_range_t; |
| 155 | 157 | ||
| 156 | struct ofw_upa_reg { |
158 | struct ofw_upa_reg { |
| 157 | uint64_t addr; |
159 | uint64_t addr; |
| 158 | uint64_t size; |
160 | uint64_t size; |
| 159 | } __attribute__ ((packed)); |
161 | } __attribute__ ((packed)); |
| 160 | typedef struct ofw_upa_reg ofw_upa_reg_t; |
162 | typedef struct ofw_upa_reg ofw_upa_reg_t; |
| 161 | 163 | ||
| 162 | extern void ofw_tree_init(ofw_tree_node_t *root); |
164 | extern void ofw_tree_init(ofw_tree_node_t *); |
| 163 | extern void ofw_tree_print(void); |
165 | extern void ofw_tree_print(void); |
| 164 | extern const char *ofw_tree_node_name(const ofw_tree_node_t *node); |
166 | extern const char *ofw_tree_node_name(const ofw_tree_node_t *); |
| 165 | extern ofw_tree_node_t *ofw_tree_lookup(const char *path); |
167 | extern ofw_tree_node_t *ofw_tree_lookup(const char *); |
| 166 | extern ofw_tree_property_t *ofw_tree_getprop(const ofw_tree_node_t *node, const char *name); |
168 | extern ofw_tree_property_t *ofw_tree_getprop(const ofw_tree_node_t *, |
| - | 169 | const char *); |
|
| 167 | 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 *); |
| 168 | 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 *); |
|
| 169 | 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); |
|
| 170 | 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); |
|
| 171 | 179 | ||
| 172 | 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 *); |
|
| 173 | 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 *); |
|
| 174 | 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 *); |
|
| 175 | 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 *); |
|
| 176 | 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 *); |
|
| 177 | 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 *); |
|
| 178 | 192 | ||
| 179 | 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 *); |
|
| 180 | 195 | ||
| 181 | 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 **); |
|
| 182 | 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 **); |
|
| 183 | 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 **); |
|
| 184 | 202 | ||
| 185 | #endif |
203 | #endif |
| 186 | 204 | ||