| 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 |
| |
| bool ofw_pci_apply_ranges(ofw_tree_node_t *node, ofw_pci_reg_t *reg, uintptr_t *pa) |
| { |
| 73,5 → 75,40 |
|---|
| return false; |
| } |
| |
| 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; |
| } |
| |
| ofw_tree_property_t *prop; |
| ofw_pci_reg_t *assigned_address; |
| count_t assigned_addresses; |
| |
| prop = ofw_tree_getprop(node, "assigned-addresses"); |
| if (!prop) |
| panic("Can't find \"assigned-addresses\" property.\n"); |
| |
| assigned_addresses = prop->size / sizeof(ofw_pci_reg_t); |
| assigned_address = prop->value; |
| |
| int i; |
| |
| 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; |
| } |
| |
| /** @} |
| */ |