#include #include #include #include /* * O2 has up to 5 PCI devices connected into the MACE bridge. The device * map looks like this: * * 0 aic7xxx 0 * 1 aic7xxx 1 * 2 expansion slot * 3 N/C * 4 N/C */ #define SCSI0 MACEPCI_SCSI0_IRQ #define SCSI1 MACEPCI_SCSI1_IRQ #define INTA0 MACEPCI_SLOT0_IRQ #define INTA1 MACEPCI_SLOT1_IRQ #define INTA2 MACEPCI_SLOT2_IRQ #define INTB MACEPCI_SHARED0_IRQ #define INTC MACEPCI_SHARED1_IRQ #define INTD MACEPCI_SHARED2_IRQ static char irq_tab_mace[][5] __initdata = { /* Dummy INT#A INT#B INT#C INT#D */ {0, 0, 0, 0, 0}, /* This is placeholder row - never used */ {0, SCSI0, SCSI0, SCSI0, SCSI0}, {0, SCSI1, SCSI1, SCSI1, SCSI1}, {0, INTA0, INTB, INTC, INTD}, {0, INTA1, INTC, INTD, INTB}, {0, INTA2, INTD, INTB, INTC}, }; /* * Given a PCI slot number (a la PCI_SLOT(...)) and the interrupt pin of * the device (1-4 => A-D), tell what irq to use. Note that we don't * in theory have slots 4 and 5, and we never normally use the shared * irqs. I suppose a device without a pin A will thank us for doing it * right if there exists such a broken piece of crap. */ int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { return irq_tab_mace[slot][pin]; } /* Do platform specific device initialization at pci_enable_device() time */ int pcibios_plat_dev_init(struct pci_dev *dev) { return 0; }