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1893 | jermar | 1 | /* |
2071 | jermar | 2 | * Copyright (c) 2006 Jakub Jermar |
1893 | jermar | 3 | * All rights reserved. |
4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * |
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9 | * - Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * - Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * - The name of the author may not be used to endorse or promote products |
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15 | * derived from this software without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |||
1894 | jermar | 29 | #ifndef KERN_OFW_TREE_H_ |
30 | #define KERN_OFW_TREE_H_ |
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1893 | jermar | 31 | |
1894 | jermar | 32 | #include <arch/types.h> |
3675 | svoboda | 33 | #include <ddi/irq.h> |
3424 | svoboda | 34 | #include <typedefs.h> |
1893 | jermar | 35 | |
36 | #define OFW_TREE_PROPERTY_MAX_NAMELEN 32 |
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37 | |||
38 | typedef struct ofw_tree_node ofw_tree_node_t; |
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39 | typedef struct ofw_tree_property ofw_tree_property_t; |
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40 | |||
1894 | jermar | 41 | /** Memory representation of OpenFirmware device tree node. */ |
1893 | jermar | 42 | struct ofw_tree_node { |
43 | ofw_tree_node_t *parent; |
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44 | ofw_tree_node_t *peer; |
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45 | ofw_tree_node_t *child; |
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46 | |||
3675 | svoboda | 47 | uint32_t node_handle; /**< Old OpenFirmware node handle. */ |
1895 | jermar | 48 | |
3675 | svoboda | 49 | char *da_name; /**< Disambigued name. */ |
1907 | jermar | 50 | |
3675 | svoboda | 51 | unsigned properties; /**< Number of properties. */ |
1893 | jermar | 52 | ofw_tree_property_t *property; |
1909 | jermar | 53 | |
54 | /** |
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55 | * Pointer to a structure representing respective device. |
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56 | * Its semantics is device dependent. |
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57 | */ |
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58 | void *device; |
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1893 | jermar | 59 | }; |
60 | |||
1894 | jermar | 61 | /** Memory representation of OpenFirmware device tree node property. */ |
1893 | jermar | 62 | struct ofw_tree_property { |
63 | char name[OFW_TREE_PROPERTY_MAX_NAMELEN]; |
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64 | size_t size; |
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65 | void *value; |
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66 | }; |
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67 | |||
1896 | jermar | 68 | /* |
69 | * Definition of 'reg' and 'ranges' properties for various buses. |
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70 | */ |
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71 | |||
72 | struct ofw_fhc_reg { |
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73 | uint64_t addr; |
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74 | uint32_t size; |
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75 | } __attribute__ ((packed)); |
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76 | typedef struct ofw_fhc_reg ofw_fhc_reg_t; |
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77 | |||
78 | struct ofw_fhc_range { |
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79 | uint64_t child_base; |
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80 | uint64_t parent_base; |
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81 | uint32_t size; |
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82 | } __attribute__ ((packed)); |
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83 | typedef struct ofw_fhc_range ofw_fhc_range_t; |
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84 | |||
85 | struct ofw_central_reg { |
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86 | uint64_t addr; |
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87 | uint32_t size; |
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88 | } __attribute__ ((packed)); |
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89 | typedef struct ofw_central_reg ofw_central_reg_t; |
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90 | |||
91 | struct ofw_central_range { |
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92 | uint64_t child_base; |
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93 | uint64_t parent_base; |
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94 | uint32_t size; |
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95 | } __attribute__ ((packed)); |
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96 | typedef struct ofw_central_range ofw_central_range_t; |
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97 | |||
98 | struct ofw_ebus_reg { |
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99 | uint32_t space; |
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100 | uint32_t addr; |
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101 | uint32_t size; |
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102 | } __attribute__ ((packed)); |
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103 | typedef struct ofw_ebus_reg ofw_ebus_reg_t; |
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104 | |||
105 | struct ofw_ebus_range { |
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106 | uint32_t child_space; |
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107 | uint32_t child_base; |
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108 | uint32_t parent_space; |
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3675 | svoboda | 109 | uint64_t parent_base; /* group phys.mid and phys.lo together */ |
1896 | jermar | 110 | uint32_t size; |
111 | } __attribute__ ((packed)); |
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112 | typedef struct ofw_ebus_range ofw_ebus_range_t; |
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113 | |||
1909 | jermar | 114 | struct ofw_ebus_intr_map { |
115 | uint32_t space; |
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116 | uint32_t addr; |
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117 | uint32_t intr; |
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118 | uint32_t controller_handle; |
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1912 | jermar | 119 | uint32_t controller_ino; |
1909 | jermar | 120 | } __attribute__ ((packed)); |
121 | typedef struct ofw_ebus_intr_map ofw_ebus_intr_map_t; |
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122 | |||
123 | struct ofw_ebus_intr_mask { |
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124 | uint32_t space_mask; |
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125 | uint32_t addr_mask; |
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126 | uint32_t intr_mask; |
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127 | } __attribute__ ((packed)); |
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128 | typedef struct ofw_ebus_intr_mask ofw_ebus_intr_mask_t; |
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129 | |||
1896 | jermar | 130 | struct ofw_pci_reg { |
3675 | svoboda | 131 | uint32_t space; /* needs to be masked to obtain pure space id */ |
132 | uint64_t addr; /* group phys.mid and phys.lo together */ |
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1896 | jermar | 133 | uint64_t size; |
134 | } __attribute__ ((packed)); |
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135 | typedef struct ofw_pci_reg ofw_pci_reg_t; |
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136 | |||
137 | struct ofw_pci_range { |
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138 | uint32_t space; |
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3675 | svoboda | 139 | uint64_t child_base; /* group phys.mid and phys.lo together */ |
1896 | jermar | 140 | uint64_t parent_base; |
141 | uint64_t size; |
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142 | } __attribute__ ((packed)); |
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143 | typedef struct ofw_pci_range ofw_pci_range_t; |
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144 | |||
2510 | jermar | 145 | struct ofw_sbus_reg { |
146 | uint64_t addr; |
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147 | uint32_t size; |
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148 | } __attribute__ ((packed)); |
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149 | typedef struct ofw_sbus_reg ofw_sbus_reg_t; |
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150 | |||
151 | struct ofw_sbus_range { |
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152 | uint64_t child_base; |
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153 | uint64_t parent_base; |
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154 | uint32_t size; |
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155 | } __attribute__ ((packed)); |
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156 | typedef struct ofw_sbus_range ofw_sbus_range_t; |
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157 | |||
1898 | jermar | 158 | struct ofw_upa_reg { |
159 | uint64_t addr; |
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160 | uint64_t size; |
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1896 | jermar | 161 | } __attribute__ ((packed)); |
1898 | jermar | 162 | typedef struct ofw_upa_reg ofw_upa_reg_t; |
1896 | jermar | 163 | |
3675 | svoboda | 164 | extern void ofw_tree_init(ofw_tree_node_t *); |
1895 | jermar | 165 | extern void ofw_tree_print(void); |
3675 | svoboda | 166 | extern const char *ofw_tree_node_name(const ofw_tree_node_t *); |
167 | extern ofw_tree_node_t *ofw_tree_lookup(const char *); |
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168 | extern ofw_tree_property_t *ofw_tree_getprop(const ofw_tree_node_t *, |
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169 | const char *); |
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170 | extern ofw_tree_node_t *ofw_tree_find_child(ofw_tree_node_t *, const char *); |
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171 | extern ofw_tree_node_t *ofw_tree_find_child_by_device_type(ofw_tree_node_t *, |
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172 | const char *); |
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173 | extern ofw_tree_node_t *ofw_tree_find_peer_by_device_type(ofw_tree_node_t *, |
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174 | const char *); |
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175 | extern ofw_tree_node_t *ofw_tree_find_peer_by_name(ofw_tree_node_t *node, |
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176 | const char *name); |
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177 | extern ofw_tree_node_t *ofw_tree_find_node_by_handle(ofw_tree_node_t *, |
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178 | uint32_t); |
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1895 | jermar | 179 | |
3675 | svoboda | 180 | extern bool ofw_fhc_apply_ranges(ofw_tree_node_t *, ofw_fhc_reg_t *, |
181 | uintptr_t *); |
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182 | extern bool ofw_central_apply_ranges(ofw_tree_node_t *, ofw_central_reg_t *, |
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183 | uintptr_t *); |
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184 | extern bool ofw_ebus_apply_ranges(ofw_tree_node_t *, ofw_ebus_reg_t *, |
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185 | uintptr_t *); |
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186 | extern bool ofw_pci_apply_ranges(ofw_tree_node_t *, ofw_pci_reg_t *, |
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187 | uintptr_t *); |
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188 | extern bool ofw_sbus_apply_ranges(ofw_tree_node_t *, ofw_sbus_reg_t *, |
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189 | uintptr_t *); |
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190 | extern bool ofw_upa_apply_ranges(ofw_tree_node_t *, ofw_upa_reg_t *, |
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191 | uintptr_t *); |
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1896 | jermar | 192 | |
3675 | svoboda | 193 | extern bool ofw_pci_reg_absolutize(ofw_tree_node_t *, ofw_pci_reg_t *, |
194 | ofw_pci_reg_t *); |
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1897 | jermar | 195 | |
3675 | svoboda | 196 | extern bool ofw_fhc_map_interrupt(ofw_tree_node_t *, ofw_fhc_reg_t *, |
197 | uint32_t, int *, cir_t *, void **); |
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198 | extern bool ofw_ebus_map_interrupt(ofw_tree_node_t *, ofw_ebus_reg_t *, |
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199 | uint32_t, int *, cir_t *, void **); |
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200 | extern bool ofw_pci_map_interrupt(ofw_tree_node_t *, ofw_pci_reg_t *, |
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201 | int, int *, cir_t *, void **); |
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1909 | jermar | 202 | |
1893 | jermar | 203 | #endif |