linux_kernel/arch/arm/include/asm/pci.h

#ifndef ASMARM_PCI_H
#define ASMARM_PCI_H

#ifdef __KERNEL__
#include <asm/mach/pci.h> /* for pci_sys_data */

extern unsigned long pcibios_min_io;
#define PCIBIOS_MIN_IO pcibios_min_io
extern unsigned long pcibios_min_mem;
#define PCIBIOS_MIN_MEM pcibios_min_mem

static inline int pcibios_assign_all_busses(void)
{
	return pci_has_flag(PCI_REASSIGN_ALL_RSRC);
}

#ifdef CONFIG_PCI_DOMAINS
static inline int pci_proc_domain(struct pci_bus *bus)
{
	return pci_domain_nr(bus);
}
#endif /* CONFIG_PCI_DOMAINS */

/*
 * The PCI address space does equal the physical memory address space.
 * The networking and block device layers use this boolean for bounce
 * buffer decisions.
 */
#define PCI_DMA_BUS_IS_PHYS     (1)

#define HAVE_PCI_MMAP
#define ARCH_GENERIC_PCI_MMAP_RESOURCE

static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
{
	return channel ? 15 : 14;
}

#endif /* __KERNEL__ */
#endif