| 36,6 → 36,8 |
|---|
| */ |
| |
| #include <genarch/ofw/ofw_tree.h> |
| #include <arch/drivers/pci.h> |
| #include <arch/trap/interrupt.h> |
| #include <arch/memstr.h> |
| #include <func.h> |
| #include <panic.h> |
| 45,6 → 47,8 |
|---|
| #define PCI_ABS_MASK 0x80000000 |
| #define PCI_REG_MASK 0x000000ff |
| |
| #define PCI_IGN 0x1f |
| |
| bool ofw_pci_apply_ranges(ofw_tree_node_t *node, ofw_pci_reg_t *reg, uintptr_t *pa) |
| { |
| ofw_tree_property_t *prop; |
| 110,5 → 114,27 |
|---|
| return false; |
| } |
| |
| /** Map PCI interrupt. |
| * |
| * So far, we only know how to map interrupts of non-PCI devices connected |
| * to a PCI bridge. |
| */ |
| bool ofw_pci_map_interrupt(ofw_tree_node_t *node, ofw_pci_reg_t *reg, int ino, int *inr) |
| { |
| pci_t *pci = node->device; |
| if (!pci) { |
| pci = pci_init(node); |
| if (!pci) |
| return false; |
| node->device = pci; |
| } |
| |
| pci_enable_interrupt(pci, ino); |
| |
| *inr = (PCI_IGN << IGN_SHIFT) | ino; |
| |
| return true; |
| } |
| |
| /** @} |
| */ |