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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 | 34 | ||
34 | #define OFW_TREE_PROPERTY_MAX_NAMELEN 32 |
35 | #define OFW_TREE_PROPERTY_MAX_NAMELEN 32 |
35 | 36 | ||
36 | typedef struct ofw_tree_node ofw_tree_node_t; |
37 | typedef struct ofw_tree_node ofw_tree_node_t; |
37 | typedef struct ofw_tree_property ofw_tree_property_t; |
38 | typedef struct ofw_tree_property ofw_tree_property_t; |
38 | 39 | ||
39 | /** Memory representation of OpenFirmware device tree node. */ |
40 | /** Memory representation of OpenFirmware device tree node. */ |
40 | struct ofw_tree_node { |
41 | struct ofw_tree_node { |
41 | ofw_tree_node_t *parent; |
42 | ofw_tree_node_t *parent; |
42 | ofw_tree_node_t *peer; |
43 | ofw_tree_node_t *peer; |
43 | ofw_tree_node_t *child; |
44 | ofw_tree_node_t *child; |
44 | 45 | ||
45 | uint32_t node_handle; /**< Old OpenFirmware node handle. */ |
46 | uint32_t node_handle; /**< Old OpenFirmware node handle. */ |
46 | 47 | ||
47 | char *da_name; /**< Disambigued name. */ |
48 | char *da_name; /**< Disambigued name. */ |
48 | 49 | ||
49 | unsigned properties; /**< Number of properties. */ |
50 | unsigned properties; /**< Number of properties. */ |
50 | ofw_tree_property_t *property; |
51 | ofw_tree_property_t *property; |
51 | 52 | ||
52 | /** |
53 | /** |
53 | * Pointer to a structure representing respective device. |
54 | * Pointer to a structure representing respective device. |
54 | * Its semantics is device dependent. |
55 | * Its semantics is device dependent. |
55 | */ |
56 | */ |
56 | void *device; |
57 | void *device; |
57 | }; |
58 | }; |
58 | 59 | ||
59 | /** Memory representation of OpenFirmware device tree node property. */ |
60 | /** Memory representation of OpenFirmware device tree node property. */ |
60 | struct ofw_tree_property { |
61 | struct ofw_tree_property { |
61 | char name[OFW_TREE_PROPERTY_MAX_NAMELEN]; |
62 | char name[OFW_TREE_PROPERTY_MAX_NAMELEN]; |
62 | size_t size; |
63 | size_t size; |
63 | void *value; |
64 | void *value; |
64 | }; |
65 | }; |
65 | 66 | ||
66 | /* |
67 | /* |
67 | * Definition of 'reg' and 'ranges' properties for various buses. |
68 | * Definition of 'reg' and 'ranges' properties for various buses. |
68 | */ |
69 | */ |
69 | 70 | ||
70 | struct ofw_fhc_reg { |
71 | struct ofw_fhc_reg { |
71 | uint64_t addr; |
72 | uint64_t addr; |
72 | uint32_t size; |
73 | uint32_t size; |
73 | } __attribute__ ((packed)); |
74 | } __attribute__ ((packed)); |
74 | typedef struct ofw_fhc_reg ofw_fhc_reg_t; |
75 | typedef struct ofw_fhc_reg ofw_fhc_reg_t; |
75 | 76 | ||
76 | struct ofw_fhc_range { |
77 | struct ofw_fhc_range { |
77 | uint64_t child_base; |
78 | uint64_t child_base; |
78 | uint64_t parent_base; |
79 | uint64_t parent_base; |
79 | uint32_t size; |
80 | uint32_t size; |
80 | } __attribute__ ((packed)); |
81 | } __attribute__ ((packed)); |
81 | typedef struct ofw_fhc_range ofw_fhc_range_t; |
82 | typedef struct ofw_fhc_range ofw_fhc_range_t; |
82 | 83 | ||
83 | struct ofw_central_reg { |
84 | struct ofw_central_reg { |
84 | uint64_t addr; |
85 | uint64_t addr; |
85 | uint32_t size; |
86 | uint32_t size; |
86 | } __attribute__ ((packed)); |
87 | } __attribute__ ((packed)); |
87 | typedef struct ofw_central_reg ofw_central_reg_t; |
88 | typedef struct ofw_central_reg ofw_central_reg_t; |
88 | 89 | ||
89 | struct ofw_central_range { |
90 | struct ofw_central_range { |
90 | uint64_t child_base; |
91 | uint64_t child_base; |
91 | uint64_t parent_base; |
92 | uint64_t parent_base; |
92 | uint32_t size; |
93 | uint32_t size; |
93 | } __attribute__ ((packed)); |
94 | } __attribute__ ((packed)); |
94 | typedef struct ofw_central_range ofw_central_range_t; |
95 | typedef struct ofw_central_range ofw_central_range_t; |
95 | 96 | ||
96 | struct ofw_ebus_reg { |
97 | struct ofw_ebus_reg { |
97 | uint32_t space; |
98 | uint32_t space; |
98 | uint32_t addr; |
99 | uint32_t addr; |
99 | uint32_t size; |
100 | uint32_t size; |
100 | } __attribute__ ((packed)); |
101 | } __attribute__ ((packed)); |
101 | typedef struct ofw_ebus_reg ofw_ebus_reg_t; |
102 | typedef struct ofw_ebus_reg ofw_ebus_reg_t; |
102 | 103 | ||
103 | struct ofw_ebus_range { |
104 | struct ofw_ebus_range { |
104 | uint32_t child_space; |
105 | uint32_t child_space; |
105 | uint32_t child_base; |
106 | uint32_t child_base; |
106 | uint32_t parent_space; |
107 | uint32_t parent_space; |
107 | uint64_t parent_base; /* group phys.mid and phys.lo together */ |
108 | uint64_t parent_base; /* group phys.mid and phys.lo together */ |
108 | uint32_t size; |
109 | uint32_t size; |
109 | } __attribute__ ((packed)); |
110 | } __attribute__ ((packed)); |
110 | typedef struct ofw_ebus_range ofw_ebus_range_t; |
111 | typedef struct ofw_ebus_range ofw_ebus_range_t; |
111 | 112 | ||
112 | struct ofw_ebus_intr_map { |
113 | struct ofw_ebus_intr_map { |
113 | uint32_t space; |
114 | uint32_t space; |
114 | uint32_t addr; |
115 | uint32_t addr; |
115 | uint32_t intr; |
116 | uint32_t intr; |
116 | uint32_t controller_handle; |
117 | uint32_t controller_handle; |
117 | uint32_t controller_ino; |
118 | uint32_t controller_ino; |
118 | } __attribute__ ((packed)); |
119 | } __attribute__ ((packed)); |
119 | typedef struct ofw_ebus_intr_map ofw_ebus_intr_map_t; |
120 | typedef struct ofw_ebus_intr_map ofw_ebus_intr_map_t; |
120 | 121 | ||
121 | struct ofw_ebus_intr_mask { |
122 | struct ofw_ebus_intr_mask { |
122 | uint32_t space_mask; |
123 | uint32_t space_mask; |
123 | uint32_t addr_mask; |
124 | uint32_t addr_mask; |
124 | uint32_t intr_mask; |
125 | uint32_t intr_mask; |
125 | } __attribute__ ((packed)); |
126 | } __attribute__ ((packed)); |
126 | typedef struct ofw_ebus_intr_mask ofw_ebus_intr_mask_t; |
127 | typedef struct ofw_ebus_intr_mask ofw_ebus_intr_mask_t; |
127 | 128 | ||
128 | struct ofw_pci_reg { |
129 | struct ofw_pci_reg { |
129 | uint32_t space; /* needs to be masked to obtain pure space id */ |
130 | uint32_t space; /* needs to be masked to obtain pure space id */ |
130 | uint64_t addr; /* group phys.mid and phys.lo together */ |
131 | uint64_t addr; /* group phys.mid and phys.lo together */ |
131 | uint64_t size; |
132 | uint64_t size; |
132 | } __attribute__ ((packed)); |
133 | } __attribute__ ((packed)); |
133 | typedef struct ofw_pci_reg ofw_pci_reg_t; |
134 | typedef struct ofw_pci_reg ofw_pci_reg_t; |
134 | 135 | ||
135 | struct ofw_pci_range { |
136 | struct ofw_pci_range { |
136 | uint32_t space; |
137 | uint32_t space; |
137 | uint64_t child_base; /* group phys.mid and phys.lo together */ |
138 | uint64_t child_base; /* group phys.mid and phys.lo together */ |
138 | uint64_t parent_base; |
139 | uint64_t parent_base; |
139 | uint64_t size; |
140 | uint64_t size; |
140 | } __attribute__ ((packed)); |
141 | } __attribute__ ((packed)); |
141 | typedef struct ofw_pci_range ofw_pci_range_t; |
142 | typedef struct ofw_pci_range ofw_pci_range_t; |
142 | 143 | ||
143 | struct ofw_sbus_reg { |
144 | struct ofw_sbus_reg { |
144 | uint64_t addr; |
145 | uint64_t addr; |
145 | uint32_t size; |
146 | uint32_t size; |
146 | } __attribute__ ((packed)); |
147 | } __attribute__ ((packed)); |
147 | typedef struct ofw_sbus_reg ofw_sbus_reg_t; |
148 | typedef struct ofw_sbus_reg ofw_sbus_reg_t; |
148 | 149 | ||
149 | struct ofw_sbus_range { |
150 | struct ofw_sbus_range { |
150 | uint64_t child_base; |
151 | uint64_t child_base; |
151 | uint64_t parent_base; |
152 | uint64_t parent_base; |
152 | uint32_t size; |
153 | uint32_t size; |
153 | } __attribute__ ((packed)); |
154 | } __attribute__ ((packed)); |
154 | typedef struct ofw_sbus_range ofw_sbus_range_t; |
155 | typedef struct ofw_sbus_range ofw_sbus_range_t; |
155 | 156 | ||
156 | struct ofw_upa_reg { |
157 | struct ofw_upa_reg { |
157 | uint64_t addr; |
158 | uint64_t addr; |
158 | uint64_t size; |
159 | uint64_t size; |
159 | } __attribute__ ((packed)); |
160 | } __attribute__ ((packed)); |
160 | typedef struct ofw_upa_reg ofw_upa_reg_t; |
161 | typedef struct ofw_upa_reg ofw_upa_reg_t; |
161 | 162 | ||
162 | extern void ofw_tree_init(ofw_tree_node_t *root); |
163 | extern void ofw_tree_init(ofw_tree_node_t *root); |
163 | extern void ofw_tree_print(void); |
164 | extern void ofw_tree_print(void); |
164 | extern const char *ofw_tree_node_name(const ofw_tree_node_t *node); |
165 | extern const char *ofw_tree_node_name(const ofw_tree_node_t *node); |
165 | extern ofw_tree_node_t *ofw_tree_lookup(const char *path); |
166 | extern ofw_tree_node_t *ofw_tree_lookup(const char *path); |
166 | extern ofw_tree_property_t *ofw_tree_getprop(const ofw_tree_node_t *node, const char *name); |
167 | extern ofw_tree_property_t *ofw_tree_getprop(const ofw_tree_node_t *node, const char *name); |
167 | extern ofw_tree_node_t *ofw_tree_find_child(ofw_tree_node_t *node, const char *name); |
168 | extern ofw_tree_node_t *ofw_tree_find_child(ofw_tree_node_t *node, const char *name); |
168 | extern ofw_tree_node_t *ofw_tree_find_child_by_device_type(ofw_tree_node_t *node, const char *device_type); |
169 | extern ofw_tree_node_t *ofw_tree_find_child_by_device_type(ofw_tree_node_t *node, const char *device_type); |
169 | extern ofw_tree_node_t *ofw_tree_find_peer_by_device_type(ofw_tree_node_t *node, const char *device_type); |
170 | extern ofw_tree_node_t *ofw_tree_find_peer_by_device_type(ofw_tree_node_t *node, const char *device_type); |
170 | extern ofw_tree_node_t *ofw_tree_find_node_by_handle(ofw_tree_node_t *root, uint32_t handle); |
171 | extern ofw_tree_node_t *ofw_tree_find_node_by_handle(ofw_tree_node_t *root, uint32_t handle); |
171 | 172 | ||
172 | extern bool ofw_fhc_apply_ranges(ofw_tree_node_t *node, ofw_fhc_reg_t *reg, uintptr_t *pa); |
173 | extern bool ofw_fhc_apply_ranges(ofw_tree_node_t *node, ofw_fhc_reg_t *reg, uintptr_t *pa); |
173 | extern bool ofw_central_apply_ranges(ofw_tree_node_t *node, ofw_central_reg_t *reg, uintptr_t *pa); |
174 | extern bool ofw_central_apply_ranges(ofw_tree_node_t *node, ofw_central_reg_t *reg, uintptr_t *pa); |
174 | extern bool ofw_ebus_apply_ranges(ofw_tree_node_t *node, ofw_ebus_reg_t *reg, uintptr_t *pa); |
175 | extern bool ofw_ebus_apply_ranges(ofw_tree_node_t *node, ofw_ebus_reg_t *reg, uintptr_t *pa); |
175 | extern bool ofw_pci_apply_ranges(ofw_tree_node_t *node, ofw_pci_reg_t *reg, uintptr_t *pa); |
176 | extern bool ofw_pci_apply_ranges(ofw_tree_node_t *node, ofw_pci_reg_t *reg, uintptr_t *pa); |
176 | extern bool ofw_sbus_apply_ranges(ofw_tree_node_t *node, ofw_sbus_reg_t *reg, uintptr_t *pa); |
177 | extern bool ofw_sbus_apply_ranges(ofw_tree_node_t *node, ofw_sbus_reg_t *reg, uintptr_t *pa); |
177 | extern bool ofw_upa_apply_ranges(ofw_tree_node_t *node, ofw_upa_reg_t *reg, uintptr_t *pa); |
178 | extern bool ofw_upa_apply_ranges(ofw_tree_node_t *node, ofw_upa_reg_t *reg, uintptr_t *pa); |
178 | 179 | ||
179 | extern bool ofw_pci_reg_absolutize(ofw_tree_node_t *node, ofw_pci_reg_t *reg, ofw_pci_reg_t *out); |
180 | extern bool ofw_pci_reg_absolutize(ofw_tree_node_t *node, ofw_pci_reg_t *reg, ofw_pci_reg_t *out); |
180 | 181 | ||
181 | extern bool ofw_fhc_map_interrupt(ofw_tree_node_t *node, ofw_fhc_reg_t *reg, uint32_t interrupt, int *inr); |
182 | extern bool ofw_fhc_map_interrupt(ofw_tree_node_t *node, ofw_fhc_reg_t *reg, uint32_t interrupt, int *inr); |
182 | extern bool ofw_ebus_map_interrupt(ofw_tree_node_t *node, ofw_ebus_reg_t *reg, uint32_t interrupt, int *inr); |
183 | extern bool ofw_ebus_map_interrupt(ofw_tree_node_t *node, ofw_ebus_reg_t *reg, uint32_t interrupt, int *inr); |
183 | extern bool ofw_pci_map_interrupt(ofw_tree_node_t *node, ofw_pci_reg_t *reg, int ino, int *inr); |
184 | extern bool ofw_pci_map_interrupt(ofw_tree_node_t *node, ofw_pci_reg_t *reg, int ino, int *inr); |
184 | 185 | ||
185 | #endif |
186 | #endif |
186 | 187 |