/* * linux/arch/arm/mach-footbridge/cats-pci.c * * PCI bios-type initialisation for PCI machines * * Bits taken from various places. */#include <linux/kernel.h>#include <linux/pci.h>#include <linux/init.h>#include <asm/irq.h>#include <asm/mach/pci.h>#include <asm/hardware/dec21285.h>/* cats host-specific stuff */static int irqmap_cats[] __initdata = { IRQ_PCI, IRQ_IN0, IRQ_IN1, IRQ_IN3 };static int __init cats_map_irq(struct pci_dev *dev, u8 slot, u8 pin){	if (dev->irq >= 128)		return dev->irq & 0x1f;	if (dev->irq >= 1 && dev->irq <= 4)		return irqmap_cats[dev->irq - 1];	if (dev->irq != 0)		printk("PCI: device %02x:%02x has unknown irq line %x\n",		       dev->bus->number, dev->devfn, dev->irq);	return -1;}struct hw_pci cats_pci __initdata = {	setup_resources:	dc21285_setup_resources,	init:			dc21285_init,	mem_offset:		DC21285_PCI_MEM,	swizzle:		no_swizzle,	map_irq:		cats_map_irq,};