41,7 → 41,9 |
#include <panic.h> |
#include <macros.h> |
|
#define PCI_SPACE_MASK 0x03000000 |
#define PCI_SPACE_MASK 0x03000000 |
#define PCI_ABS_MASK 0x80000000 |
#define PCI_REG_MASK 0x000000ff |
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bool ofw_pci_apply_ranges(ofw_tree_node_t *node, ofw_pci_reg_t *reg, uintptr_t *pa) |
{ |
73,5 → 75,40 |
return false; |
} |
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bool ofw_pci_reg_absolutize(ofw_tree_node_t *node, ofw_pci_reg_t *reg, ofw_pci_reg_t *out) |
{ |
if (reg->space & PCI_ABS_MASK) { |
/* already absolute */ |
out->space = reg->space; |
out->addr = reg->addr; |
out->size = reg->size; |
return true; |
} |
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ofw_tree_property_t *prop; |
ofw_pci_reg_t *assigned_address; |
count_t assigned_addresses; |
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prop = ofw_tree_getprop(node, "assigned-addresses"); |
if (!prop) |
panic("Can't find \"assigned-addresses\" property.\n"); |
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assigned_addresses = prop->size / sizeof(ofw_pci_reg_t); |
assigned_address = prop->value; |
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int i; |
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for (i = 0; i < assigned_addresses; i++) { |
if ((assigned_address[i].space & PCI_REG_MASK) == (reg->space & PCI_REG_MASK)) { |
out->space = assigned_address[i].space; |
out->addr = reg->addr + assigned_address[i].addr; |
out->size = reg->size; |
return true; |
} |
} |
|
return false; |
} |
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/** @} |
*/ |