blob: 58cfb44f0acf626355067b4275175cb775708635 [file] [log] [blame]
/* PCI IRQ routing on the MN103E010 based ASB2305
* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public Licence
* as published by the Free Software Foundation; either version
* 2 of the Licence, or (at your option) any later version.
* This is simple: All PCI interrupts route through the CPU's XIRQ1 pin [IRQ 35]
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <asm/io.h>
#include <asm/smp.h>
#include "pci-asb2305.h"
void __init pcibios_irq_init(void)
void __init pcibios_fixup_irqs(void)
struct pci_dev *dev = NULL;
u8 line, pin;
while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
if (pin) {
dev->irq = XIRQ1;
pci_write_config_byte(dev, PCI_INTERRUPT_LINE,
pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &line);
void __init pcibios_penalize_isa_irq(int irq)
void pcibios_enable_irq(struct pci_dev *dev)
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq);