1/*
2 * linux/include/asm-generic/pci.h
3 *
4 *  Copyright (C) 2003 Russell King
5 */
6#ifndef _ASM_GENERIC_PCI_H
7#define _ASM_GENERIC_PCI_H
8
9static inline struct resource *
10pcibios_select_root(struct pci_dev *pdev, struct resource *res)
11{
12	struct resource *root = NULL;
13
14	if (res->flags & IORESOURCE_IO)
15		root = &ioport_resource;
16	if (res->flags & IORESOURCE_MEM)
17		root = &iomem_resource;
18
19	return root;
20}
21
22#ifndef HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ
23static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
24{
25	return channel ? 15 : 14;
26}
27#endif /* HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ */
28
29/*
30 * By default, assume that no iommu is in use and that the PCI
31 * space is mapped to address physical 0.
32 */
33#ifndef PCI_DMA_BUS_IS_PHYS
34#define PCI_DMA_BUS_IS_PHYS	(1)
35#endif
36
37#endif /* _ASM_GENERIC_PCI_H */
38