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#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/pci.h>
/*
* IRQ functions
*/
int __init pcibios_map_platform_irq(u8 slot, u8 pin, struct pci_dev *dev)
{
int irq;
if (dev->bus->number == 0) {
switch (slot) {
case 4: return 5; /* eth0 */
case 8: return 5; /* eth1 */
case 6: return 2; /* PCI bridge */
default:
printk("PCI: Bad IRQ mapping request for slot %d\n", slot);
return 2;
}
} else {
switch (pin) {
case 0: irq = 2; break;
case 1: irq = 2; break;
case 2: irq = 2; break;
case 3: irq = 2; break;
case 4: irq = 2; break;
default: irq = -1; break;
}
}
return irq;
}
static u8 __init sh03_no_swizzle(struct pci_dev *dev, u8 *pin)
{
/* no swizzling */
return PCI_SLOT(dev->devfn);
}
static int sh03_pci_lookup_irq(struct pci_dev *dev, u8 slot, u8 pin)
{
int irq = -1;
/* now lookup the actual IRQ on a platform specific basis (pci-'platform'.c) */
irq = pcibios_map_platform_irq(slot, pin, dev);
if( irq < 0 ) {
pr_debug("PCI: Error mapping IRQ on device %s\n", pci_name(dev));
return irq;
}
pr_debug("Setting IRQ for slot %s to %d\n", pci_name(dev), irq);
return irq;
}
void __init pcibios_fixup_irqs(void)
{
pci_fixup_irqs(sh03_no_swizzle, sh03_pci_lookup_irq);
}
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