LXR linux/arch/arm64/include/asm/pci.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef __ASM_PCI_H
   3#define __ASM_PCI_H
   4
   5#include <linux/types.h>
   6#include <linux/slab.h>
   7#include <linux/dma-mapping.h>
   8
   9#include <asm/io.h>
  10
  11#define PCIBIOS_MIN_IO          0x1000
  12#define PCIBIOS_MIN_MEM         0
  13
  14/*
  15 * Set to 1 if the kernel should re-assign all PCI bus numbers
  16 */
  17#define pcibios_assign_all_busses() \
  18        (pci_has_flag(PCI_REASSIGN_ALL_BUS))
  19
  20#define arch_can_pci_mmap_wc() 1
  21#define ARCH_GENERIC_PCI_MMAP_RESOURCE  1
  22
  23extern int isa_dma_bridge_buggy;
  24
  25#ifdef CONFIG_PCI
  26static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
  27{
  28        /* no legacy IRQ on arm64 */
  29        return -ENODEV;
  30}
  31
  32static inline int pci_proc_domain(struct pci_bus *bus)
  33{
  34        return 1;
  35}
  36#endif  /* CONFIG_PCI */
  37
  38#endif  /* __ASM_PCI_H */
  39