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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 | /* |
59 | /* |
60 | * Definition of 'reg' and 'ranges' properties for various buses. |
60 | * Definition of 'reg' and 'ranges' properties for various buses. |
61 | */ |
61 | */ |
62 | 62 | ||
63 | struct ofw_fhc_reg { |
63 | struct ofw_fhc_reg { |
64 | uint64_t addr; |
64 | uint64_t addr; |
65 | uint32_t size; |
65 | uint32_t size; |
66 | } __attribute__ ((packed)); |
66 | } __attribute__ ((packed)); |
67 | typedef struct ofw_fhc_reg ofw_fhc_reg_t; |
67 | typedef struct ofw_fhc_reg ofw_fhc_reg_t; |
68 | 68 | ||
69 | struct ofw_fhc_range { |
69 | struct ofw_fhc_range { |
70 | uint64_t child_base; |
70 | uint64_t child_base; |
71 | uint64_t parent_base; |
71 | uint64_t parent_base; |
72 | uint32_t size; |
72 | uint32_t size; |
73 | } __attribute__ ((packed)); |
73 | } __attribute__ ((packed)); |
74 | typedef struct ofw_fhc_range ofw_fhc_range_t; |
74 | typedef struct ofw_fhc_range ofw_fhc_range_t; |
75 | 75 | ||
76 | struct ofw_central_reg { |
76 | struct ofw_central_reg { |
77 | uint64_t addr; |
77 | uint64_t addr; |
78 | uint32_t size; |
78 | uint32_t size; |
79 | } __attribute__ ((packed)); |
79 | } __attribute__ ((packed)); |
80 | typedef struct ofw_central_reg ofw_central_reg_t; |
80 | typedef struct ofw_central_reg ofw_central_reg_t; |
81 | 81 | ||
82 | struct ofw_central_range { |
82 | struct ofw_central_range { |
83 | uint64_t child_base; |
83 | uint64_t child_base; |
84 | uint64_t parent_base; |
84 | uint64_t parent_base; |
85 | uint32_t size; |
85 | uint32_t size; |
86 | } __attribute__ ((packed)); |
86 | } __attribute__ ((packed)); |
87 | typedef struct ofw_central_range ofw_central_range_t; |
87 | typedef struct ofw_central_range ofw_central_range_t; |
88 | 88 | ||
89 | struct ofw_ebus_reg { |
89 | struct ofw_ebus_reg { |
90 | uint32_t space; |
90 | uint32_t space; |
91 | uint32_t addr; |
91 | uint32_t addr; |
92 | uint32_t size; |
92 | uint32_t size; |
93 | } __attribute__ ((packed)); |
93 | } __attribute__ ((packed)); |
94 | typedef struct ofw_ebus_reg ofw_ebus_reg_t; |
94 | typedef struct ofw_ebus_reg ofw_ebus_reg_t; |
95 | 95 | ||
96 | struct ofw_ebus_range { |
96 | struct ofw_ebus_range { |
97 | uint32_t child_space; |
97 | uint32_t child_space; |
98 | uint32_t child_base; |
98 | uint32_t child_base; |
99 | uint32_t parent_space; |
99 | uint32_t parent_space; |
100 | uint64_t parent_base; /* group phys.mid and phys.lo together */ |
100 | uint64_t parent_base; /* group phys.mid and phys.lo together */ |
101 | uint32_t size; |
101 | uint32_t size; |
102 | } __attribute__ ((packed)); |
102 | } __attribute__ ((packed)); |
103 | typedef struct ofw_ebus_range ofw_ebus_range_t; |
103 | typedef struct ofw_ebus_range ofw_ebus_range_t; |
104 | 104 | ||
105 | struct ofw_pci_reg { |
105 | struct ofw_pci_reg { |
106 | uint32_t space; /* needs to masked to obtain pure space id */ |
106 | uint32_t space; /* needs to masked to obtain pure space id */ |
107 | uint64_t addr; /* group phys.mid and phys.lo together */ |
107 | uint64_t addr; /* group phys.mid and phys.lo together */ |
108 | uint64_t size; |
108 | uint64_t size; |
109 | } __attribute__ ((packed)); |
109 | } __attribute__ ((packed)); |
110 | typedef struct ofw_pci_reg ofw_pci_reg_t; |
110 | typedef struct ofw_pci_reg ofw_pci_reg_t; |
111 | 111 | ||
112 | struct ofw_pci_range { |
112 | struct ofw_pci_range { |
113 | uint32_t space; |
113 | uint32_t space; |
114 | uint64_t child_base; /* group phys.mid and phys.lo together */ |
114 | uint64_t child_base; /* group phys.mid and phys.lo together */ |
115 | uint64_t parent_base; |
115 | uint64_t parent_base; |
116 | uint64_t size; |
116 | uint64_t size; |
117 | } __attribute__ ((packed)); |
117 | } __attribute__ ((packed)); |
118 | typedef struct ofw_pci_range ofw_pci_range_t; |
118 | typedef struct ofw_pci_range ofw_pci_range_t; |
119 | 119 | ||
120 | struct ofw_ffb_reg { |
120 | struct ofw_upa_reg { |
- | 121 | uint64_t addr; |
|
- | 122 | uint64_t size; |
|
121 | } __attribute__ ((packed)); |
123 | } __attribute__ ((packed)); |
122 | typedef struct ofw_ffb_reg ofw_ffb_reg_t; |
124 | typedef struct ofw_upa_reg ofw_upa_reg_t; |
123 | 125 | ||
124 | extern void ofw_tree_init(ofw_tree_node_t *root); |
126 | extern void ofw_tree_init(ofw_tree_node_t *root); |
125 | extern void ofw_tree_print(void); |
127 | extern void ofw_tree_print(void); |
126 | extern const char *ofw_tree_node_name(const ofw_tree_node_t *node); |
128 | extern const char *ofw_tree_node_name(const ofw_tree_node_t *node); |
127 | extern ofw_tree_node_t *ofw_tree_lookup(const char *path); |
129 | 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); |
130 | extern ofw_tree_property_t *ofw_tree_getprop(const ofw_tree_node_t *node, const char *name); |
129 | 131 | ||
130 | extern bool ofw_fhc_apply_ranges(ofw_tree_node_t *node, ofw_fhc_reg_t *reg, uintptr_t *pa); |
132 | 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); |
133 | 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); |
134 | 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); |
135 | 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); |
136 | extern bool ofw_upa_apply_ranges(ofw_tree_node_t *node, ofw_upa_reg_t *reg, uintptr_t *pa); |
135 | 137 | ||
136 | extern bool ofw_pci_reg_absolutize(ofw_tree_node_t *node, ofw_pci_reg_t *reg, ofw_pci_reg_t *out); |
138 | extern bool ofw_pci_reg_absolutize(ofw_tree_node_t *node, ofw_pci_reg_t *reg, ofw_pci_reg_t *out); |
137 | 139 | ||
138 | #endif |
140 | #endif |
139 | 141 |