Rev 1896 | Rev 1910 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 1896 | Rev 1909 | ||
|---|---|---|---|
| Line 37... | Line 37... | ||
| 37 | 37 | ||
| 38 | #include <genarch/ofw/ofw_tree.h> |
38 | #include <genarch/ofw/ofw_tree.h> |
| 39 | #include <arch/memstr.h> |
39 | #include <arch/memstr.h> |
| 40 | #include <func.h> |
40 | #include <func.h> |
| 41 | #include <panic.h> |
41 | #include <panic.h> |
| - | 42 | #include <debug.h> |
|
| 42 | #include <macros.h> |
43 | #include <macros.h> |
| 43 | 44 | ||
| 44 | bool ofw_ebus_apply_ranges(ofw_tree_node_t *node, ofw_ebus_reg_t *reg, uintptr_t *pa) |
45 | bool ofw_ebus_apply_ranges(ofw_tree_node_t *node, ofw_ebus_reg_t *reg, uintptr_t *pa) |
| 45 | { |
46 | { |
| 46 | ofw_tree_property_t *prop; |
47 | ofw_tree_property_t *prop; |
| Line 71... | Line 72... | ||
| 71 | } |
72 | } |
| 72 | 73 | ||
| 73 | return false; |
74 | return false; |
| 74 | } |
75 | } |
| 75 | 76 | ||
| - | 77 | bool ofw_ebus_map_interrupts(ofw_tree_node_t *node, ofw_ebus_reg_t *reg, uint32_t interrupt, int *ino) |
|
| - | 78 | { |
|
| - | 79 | ofw_tree_property_t *prop; |
|
| - | 80 | ofw_tree_node_t *controller; |
|
| - | 81 | ||
| - | 82 | prop = ofw_tree_getprop(node, "interrupt-map"); |
|
| - | 83 | if (!prop || !prop->value) |
|
| - | 84 | return false; |
|
| - | 85 | ||
| - | 86 | ofw_ebus_intr_map_t *intr_map = prop->value; |
|
| - | 87 | count_t count = prop->size / sizeof(ofw_ebus_intr_map_t); |
|
| - | 88 | ||
| - | 89 | ASSERT(count); |
|
| - | 90 | ||
| - | 91 | prop = ofw_tree_getprop(node, "interrupt-map-mask"); |
|
| - | 92 | if (!prop || !prop->value) |
|
| - | 93 | return false; |
|
| - | 94 | ||
| - | 95 | ofw_ebus_intr_mask_t *intr_mask = prop->value; |
|
| - | 96 | ||
| - | 97 | ASSERT(prop->size == sizeof(ofw_ebus_intr_mask_t)); |
|
| - | 98 | ||
| - | 99 | uint32_t space = reg->space & intr_mask->space_mask; |
|
| - | 100 | uint32_t addr = reg->addr & intr_mask->addr_mask; |
|
| - | 101 | uint32_t intr = interrupt & intr_mask->intr_mask; |
|
| - | 102 | ||
| - | 103 | int i; |
|
| - | 104 | for (i = 0; i < count; i++) { |
|
| - | 105 | if ((intr_map[i].space == space) && (intr_map[i].addr == addr) |
|
| - | 106 | && (intr_map[i].intr == intr)) |
|
| - | 107 | goto found; |
|
| - | 108 | } |
|
| - | 109 | return false; |
|
| - | 110 | ||
| - | 111 | found: |
|
| - | 112 | /* |
|
| - | 113 | * We found the device that functions as an interrupt controller |
|
| - | 114 | * for the interrupt. We also found mapping from interrupt to INO. |
|
| - | 115 | */ |
|
| - | 116 | ||
| - | 117 | controller = ofw_tree_find_node_by_handle(ofw_tree_lookup("/"), intr_map[i].controller_handle); |
|
| - | 118 | ||
| - | 119 | *ino = intr_map[i].controller_ino; |
|
| - | 120 | return true; |
|
| - | 121 | } |
|
| - | 122 | ||
| 76 | /** @} |
123 | /** @} |
| 77 | */ |
124 | */ |