MIPS: PCI: Use generic pci_mmap_resource_range()

extern void pcibios_set_master(struct pci_dev *dev);

#define HAVE_PCI_MMAP

#define ARCH_GENERIC_PCI_MMAP_RESOURCE

#define HAVE_ARCH_PCI_RESOURCE_TO_USER

/*

	*start = fixup_bigphys_addr(rsrc->start, size);

	*end = rsrc->start + size;

}

int pci_mmap_page_range(struct pci_dev *dev, int bar,

			struct vm_area_struct *vma,

			enum pci_mmap_state mmap_state, int write_combine)

{

	unsigned long prot;

	/*

	 * I/O space can be accessed via normal processor loads and stores on

	 * this platform but for now we elect not to do this and portable

	 * drivers should not do this anyway.

	 */

	if (mmap_state == pci_mmap_io)

		return -EINVAL;

	/*

	 * Ignore write-combine; for now only return uncached mappings.

	 */

	prot = pgprot_val(vma->vm_page_prot);

	prot = (prot & ~_CACHE_MASK) | _CACHE_UNCACHED;

	vma->vm_page_prot = __pgprot(prot);

	return remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff,

		vma->vm_end - vma->vm_start, vma->vm_page_prot);

}