| /* PCI IRQ routing on the MN103E010 based ASB2305 |
| * |
| * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. |
| * Written by David Howells (dhowells@redhat.com) |
| * |
| * 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, |
| dev->irq); |
| } |
| 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); |
| } |